Would the bulb glow after completing the circuit shown in Fig. 2 if instead of safety pin we use an eraser?
Answers
Related Questions
Find the mass of a car that is travelling at a velocity of 60 m/s North. The car has 6, 025, 000 J of kinetic energy.
Answers
For this problem, lets use the kinetic energy formula
\(KE=\frac{1}{2}mv^2\)Where m is equal to mass and v is equal to velocity
In our given, we have:
velocity = 60 m/s
kinetic energy = 6,025,000 J
Plug these numbers into the formula to get the mass
\(6,025,000=\frac{1}{2}m(60)^2\)\(\frac{6025000}{60^2}=\frac{1}{2}m\)\(1673.611=\frac{1}{2}m\)m = 3347.222 kg
A team of students uses a Bunsen burner to heat a beaker full of ice and uses a thermometer to measure the temperature of the sample as it heats. Their data indicate that the ice maintains a constant temperature of 0°C. Which of the following could be occurring? Select all the options that apply.
Answers
Answer:
1. The ice molecules are at a temperature of 0°C;
2. The ice molecules are absorbing latent heat which would result in their turning to liquid water. Therefore, melting or fusion is occurring.
Note: The question did not provide any options to choose from.
Explanation:
The process of change of state occurs when heat is added or removed from a substance. For example, solid may change to a liquid when heat is added to it whereas a liquid may change to liquid when heat is removed from it.
During the process of change of state, the temperature of the substance undergoing a change of state does not change throughout the time it is undergoing the change. The temperature will begin to increase or decrease when all the molecules of the substance has undergone a change of state. The heat supplied to or removed from a substance during a change of state is known as latent heat.
When a solid changes to liquid, it is known as fusion and the heat absorbed by the solid substance is known as latent heat heat of fusion. If a liquid changes to gas, it is known as vaporization and the heat absorbed by the liquid is known as latent heat of vaporization.
In the experiment by the students above, since the temperature of the ice remains constant at 0°C when heat is supplied from the Bunsen burner to it, the following processes could be occurring:
the ice is at a temperature of 0°C;the ice molecules are absorbing latent heat which would result in their turning to liquid watermelting or fusion is occurringAnswer: B, C, D
Explanation:
trust me
Un globo es inflado hasta obtener 1.5 atm, con un volumen de 500 cm³ a 273 K. Luego, es colocado en el frezzer ¿Cuál será su temperatura, con 1.2 atm y 300 cm³?
Answers
Respuesta: T2 = 131.04K
Explicación: Dado lo siguiente:
Presión, P1 = 1.5 atm = 1.5 × 760 = 1140 mmHg
Presión, P2 = 1.2 atm = 1.2 × 760 = 912 mmHg
Volumen, V1 = 500cm3 Volumen, V2 = 300cm3
Temperatura, T1 = 273K Temperatura, T2 =?
Usando la fórmula de gas combinada:
P1V1 / T1 = P2V2 / T2
Ingresando nuestros valores:
(1140 × 500) / 273 = (912 × 300) / T2
T2 × (1140 × 500) = 912 × 300 × 273
T2 = 74692800/570000 T2 = 131.04K
What is the mass of an object if a force of 17n causes it to accelerate at 1.5m/s2
Answers
Answer:
11.3 kg
Explanation:
ΣF = ma
17N = 1.5*m
m ~= 11.3kg
for which of the following values of ""y"" does liam possess both a comparative advantage in mirror production and an absolute advantage in mirror production?
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Liam possesses both a comparative advantage and an absolute advantage in mirror production for all values of "y".
When Liam has both a comparative advantage and an absolute advantage in mirror production, it means that he can produce mirrors more efficiently and at a lower opportunity cost compared to other individuals or countries. In this case, it is stated that Liam possesses these advantages for all values of "y", indicating that regardless of the specific circumstances or conditions, Liam is consistently more efficient and productive in mirror production.
The statement suggests that Liam has a significant advantage in mirror production, both in terms of absolute advantage and comparative advantage, regardless of any specific value of "y". This implies that Liam's skills, resources, or production capabilities are superior to others in the context of mirror production, allowing him to produce mirrors more efficiently and effectively.
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How does the atmospheric temperature and size of inner planets compare with those of outer planets?
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Hope this helps!
Please give Brainliest!
Freddy (50 kg) is sitting on a tree branch 10 m above the ground. He then climbs to a higher branch 15 m above the ground. How much work has Freddy done climbing from the first branch to the second?
Answers
Freddy has done 2,450 Joules of work climbing from the first branch to the second. This is calculated using the work-energy principle and considering the gravitational force acting on Freddy.
To find the work done by Freddy, we can use the work-energy principle, which states that the work done on an object is equal to the change in its potential energy. In this case, the change in potential energy is due to the change in height while climbing between the two branches.
The gravitational potential energy is given by the formula:
PE = m * g * h
where PE is the potential energy, m is the mass (in kg), g is the acceleration due to gravity (approximately 9.8 m/s²), and h is the height (in meters).
First, let's find the initial potential energy when Freddy is sitting on the first branch at 10 meters:
PE_initial = 50 kg * 9.8 m/s² * 10 m = 4,900 Joules
Next, let's find the potential energy when Freddy climbs to the second branch at 15 meters:
PE_final = 50 kg * 9.8 m/s² * 15 m = 7,350 Joules
Now, we can find the work done by Freddy by calculating the change in potential energy:
Work = PE_final - PE_initial = 7,350 Joules - 4,900 Joules = 2,450 Joules
So, Freddy has done 2,450 Joules of work climbing from the first branch to the second.
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A student is recording how far an ant can crawl over time. He gets so interested in the project that he forgets to enter a few data
points. Based on the data in the table the values for the missing data points are MOST LIKELY
A)
9 minutes and 8 inches
B)
9 minutes and 9 inches
10 minutes and 9 inches
D)
10 minutes and 10 inch
Eliminate
Answers
Answer: 10 minutes and 9 inches
Explanation:
I got it right and they are counting by 2 and 3
describe the motion of jays walk during part a vs part c
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Motion can be defined as a change in the location (position) of a physical object or body with respect to a reference point, especially due to the action of an external force.
In Science, motion is described based on the following parameters:
TimeSpeedDistanceForceAccelerationBased on the graph that illustrates Jay's motion, we can deduce the following:
At part A, Jay's motion can be described as linear motion because it is one-dimensional and it increased along a straight line.At part B, Jay's motion can be described as a uniform motion because it increased along a straight line at a constant velocity (speed).Read more on motion here: https://brainly.com/question/26048315
You are gardening in the peak of summer, it hasn't rained in a week, and your plants are looking rough. You decide to water the plants for an hour. The next day you come back to the garden, and the plants look in worse shape than they did previously, as if none of that water made it to the plant. With what you know from class, please try and explain what is happening to your plants.
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In the peak of summer, it hasn't rained in a week, and the plants are looking rough, so watering the plants for an hour is a good idea.
However, the next day, you come back to the garden, and the plants look in worse shape than they did previously, as if none of that water made it to the plant. Plants absorb water through their roots. The root system of a plant is responsible for drawing water and nutrients from the soil. A plant's root system must be able to absorb water quickly in order for the plant to grow and thrive. When the soil around the root system is dry, the roots will stop growing and will not be able to absorb water.
It may even start to die. Watering plants during the peak of summer is important because it will help keep the soil moist and prevent the roots from drying out. However, watering a plant too much can be harmful. If a plant is overwatered, the water may not be able to penetrate the soil and reach the roots. Instead, it may just sit on top of the soil, causing the roots to rot and die. This can cause the plant to wilt and die.To summarize, if the soil around the plant is too dry, the roots may not be able to absorb the water you gave them, causing the plant to look worse than before. Conversely, overwatering can also be harmful because the water may not be able to penetrate the soil and reach the roots, causing the roots to rot and die.
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What if? determine the answers to parts (a) through (c) of the problem, if instead of accelerating at the same instant the car passes him, the officer instead begins his acceleration 1. 00 s after the car passes him. (enter the time in s, speed in m/s, and displacement in m. ) time =_____
how can you modify your work from part (a) to determine time it takes the officer to catch the car?
keep in mind that the officer travels one second less than the car. How can you modify your work from part (b) to determine the speed of the officer when he catches the car? how can you modify your work from part (c) to determine the distance the officer travels before catching the car? how should the values you determined for the time, speed and distance in part (d) compare to the values you obtained in parts (a), (b), and (c)? s speed (no response) seenkey 42. 8 m/s displacement (no response) seenkey 305 m
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(a) Time = 9.30 seconds. (b) Average Speed is 48.2 m/s. (c) Displacement is 305 m. (d) If the calculations are accurate, the time, speed, and distance values found in part (d) should match those found in parts (a), (b), and (c).
To determine the answers to parts (a) through (c) of the problem if the officer starts accelerating 1.00 s after the car passes him,
(a) Time: Since the car continues to move at a constant speed, its time to cover the 400 m distance remains the same as in part (a), i.e., 9.30 s.
(b) Speed: The officer now starts accelerating 1.00 s after the car passes him, so his time to cover the 400 m distance is 1.00 s less than the car, which is 8.30 s. Therefore, his average speed would be:
v = d/t = 400 m / 8.30 s = 48.2 m/s
(c) The displacement of the officer would be the same as in part (c), i.e., 305 m.
To determine the time it takes the officer to catch the car, we can use the same approach as in part (b) but consider the relative velocity between the car and the officer, v_rel = v_car - v_officer.
At the moment the officer starts accelerating, the car has already covered a distance of, d_car = v_car × t_acceleration where t_acceleration is the time the officer takes to start accelerating after the car passes him. Therefore, the displacement is,
d_initial = d_car - d_officer = v_car × t_acceleration - 0
where d_officer is the initial distance between the officer and the car.
Then, the time it takes for the officer to catch the car is, t_catch = d_initial / v_rel.
To determine the speed of the officer when he catches the car, we can use the same approach as in part (b), but use the time it takes for the officer to catch the car, i.e., t_catch. Therefore, the speed of the officer would be, v = d / t_catch = 400 m / (t_catch + 1 s). To determine the distance the officer travels before catching the car, we can use the same approach as in part (c), but use the time it takes for the officer to catch the car, i.e., t_catch. Therefore, the distance the officer travels would be, d = v × t_catch. The values obtained for the time, speed, and distance in part (d) should be the same as in parts (a), (b), and (c) if the calculations are correct.
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T/F use the manometer to enter the appropriate pressure reading. assume an atmospheric pressure of 14.7 psia.
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True. The manometer is used to measure the pressure difference between two points.
To determine the pressure at a specific point, the appropriate pressure reading must be entered into the manometer. In this case, assuming an atmospheric pressure of 14.7 psia, the manometer would be used to measure the pressure relative to this atmospheric pressure.
An explanation of how to use the manometer and enter the appropriate pressure reading may be necessary for those who are unfamiliar with this equipment.
Hence, A manometer measures pressure differences, and with an assumed atmospheric pressure of 14.7 psia, you can calculate the absolute pressure based on the manometer reading.
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What happens when kinetic energy is lost?
Answers
When an object loses kinetic energy, it means that the object is slowing down or stopping.
Kinetic energy is the energy that an object possesses as a result of its motion. It is typically represented by the symbol KE and has units of joules (J).
KE = 1/2 * m * v^2
There are several ways that an object can lose kinetic energy. One way is through friction, which occurs when two surfaces are in contact and rub against each other. Friction converts some of the kinetic energy of an object into heat energy. Another way that an object can lose kinetic energy is through air resistance, which occurs when an object is moving through a fluid or gas. Air resistance also converts some of the kinetic energy of an object into heat energy. Another way an object can lose kinetic energy is through collisions. When two objects collide, some of the kinetic energy of the objects is transferred to the other object. If the collision is inelastic, the total kinetic energy of the objects is not conserved, and some of it is converted into other forms of energy, such as heat or sound. Finally, an object can lose kinetic energy due to external forces, such as gravity. When an object is thrown upward, it initially has kinetic energy, but as it rises, it loses kinetic energy as it slows down and eventually comes to a stop at its maximum height. In summary, when an object loses kinetic energy, it means that it is slowing down or stopping. There are several ways that an object can lose kinetic energy, such as through friction, air resistance, collisions, and external forces.
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Light waves are
A.rotating waves.
B.longitudinal waves.
C.circular waves.
D.transverse waves
Answers
SHOCKING
Explanation:
Answer:
D i promises.
Explanation:
light waves can go 2 direction
An electron moving at 4.10 ✕ 103 m/s in a 1.45 T magnetic field experiences a magnetic force of 1.40 ✕ 10−16 N. What angle does the velocity of the electron make with the magnetic field? There are two answers between 0° and 180°. ° (smaller value) ° (larger value)
Answers
ANSWER
\(8.46\degree;\text{ }171.54\operatorname{\degree}\)EXPLANATION
Parameters given:
Speed of electron, v = 4.10 * 10^3 m/s
Magnetic field, B = 1.45 T
Magnetic force, F = 1.40 * 10^(-16) N
To find the angle that the velocity of the electron makes with the magnetic field, apply the formula for magnetic force:
\(F=qvB\sin\theta\)where θ = angle
q = electric charge = 1.6 * 10^(-19) C
Make θ the subject of the formula:
\(\begin{gathered} \sin\theta=\frac{F}{qvB} \\ \\ \theta=\sin^{-1}(\frac{F}{qvB}) \end{gathered}\)Therefore, the angle that the velocity makes is:
\(\begin{gathered} \theta=\sin^{-1}(\frac{1.4*10^{-16}}{1.6*10^{-19}*4.1*10^3*1.45}) \\ \\ \theta=\sin^{-1}(0.1472) \\ \\ \theta=8.46\degree \end{gathered}\)To find the second angle, subtract the angle from 180 degrees:
\(\begin{gathered} 180-8.46 \\ \\ 171.54\degree \end{gathered}\)The angles are:
\(8.46\operatorname{\degree};\text{ }171.54\operatorname{\degree}\)Si un ciclista tarda 1.45 hrs en recorrer una distancia de 80 km. ¿Cuál será el valor de la velocidad media? Indica tu resultado en unidades del Sistema Internacional.
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Answer: 45 kmph, AAAAAAAAAAAAAAAAAAAAAAA
What is occupant kinematics?
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Occupant kinematics is referred to as the study of the motion of occupants inside of a vehicle during a crash or accident.
What is an Accident?This refers to an incident which occurs unintentionally and suddenly thereby causing different types of harm and damage.
Occupant kinematics involves studying the motion of occupants in a crash and it is used in different types of investigations in other to know the main cause of death. It is also used in vehicle designs so as to produce safer ways and materials used in them so as to reduce the risk of serious harm to the body.
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I need help please; I'll mark you brainliest
Answers
Answer:
Its number 1.
Explanation:
Speed, being a scalar quantity, is the rate at which an object covers distance. The average speed is the distance (a scalar quantity) per time ratio. ... Velocity is the rate at which the position changes. The average velocity is the displacement or position change (a vector quantity) per time ratio.
Answer:
It’s both I and II
Explanation:
Speed refers to how fast something goes by using the equation distance/time. So it only uses distance and time.
On the other hand velocity is basically speed, so it uses distance/time, but the only difference is velocity uses direction.
you fly 5600 km across the united states on an airliner at 210 m/s . you return two days later traveling at the same speed. you may want to review (page) . Part A Have you aged more or less than your friends at home? more less SubmitMy AnswersGive Up Correct Here we learn how to apply the expression for time dilation to determine that a moving person aged less. Part B By how much? Hint: Use the binomial approximation. Express your answer with the appropriate units.
Answers
Answer:
PART A
Yes, Einstein’s theory of relativity proves it. Einstein's 1915 general theory of relativity holds that what we perceive as the force of gravity arises from the curvature of space and time. The scientist proposed that objects such as the sun and the Earth change this geometry.
PART B
26 seconds per minute, probably.
Explanation:
You aged less than your friends at home due to time dilation.
According to the theory of relativity, time dilation occurs when an object moves at high speeds relative to another object.
In this case, since you were traveling on an airliner at 210 m/s for a distance of 5600 km, time dilation would have occurred, causing you to age less than your friends who stayed at home.
To calculate the amount of time dilation, we can use the binomial approximation, which takes into account the smallness of the velocity compared to the speed of light.
The amount of time dilation can be expressed as ∆t = ∆t₀(1-v²/c²)^(1/2), where ∆t₀ is the time measured by your friends at home, v is your velocity, and c is the speed of light.
Plugging in the values, we get ∆t = ∆t₀(0.9999985), which means that you aged by approximately 0.019 seconds less than your friends.
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How do you solve for ΜK?How do you solve for ΜK?
μ k = f k N = f k w cos 25 ° = f k m g cos 25 °. Substituting known values on the right-hand side of the equation, μ k = 45. 0 N ( 62 kg ) ( 9. 80 m/s 2 ) ( 0. 906 ) = 0. 82
Answers
the solution is μk = 0.82.
Given that:μk = f_k /N = f_k w cos25° = f_k m g cos25°
μk can be solved using the formula above;
Substituting known values on the right-hand side of the equation,
μk = 45.0 N (62 kg) (9.80 m/s²) (0.906)
μk = 0.82
Therefore, the solution is μk = 0.82.
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question 1.4 does the multimeter set to measure voltage act as a large resistance, or a small resistance? explain, based on your observations. why does it need to be designed this way?
Answers
Multimeter conducts like a big resistor. Since current will be very low due to the very high resistance, the circuit's overall current won't be impacted in the slightest. It will transmit the appropriate voltage
A passive electrical device known as a resistor adds resistance to the flow of electric current. They can be discovered in virtually all electrical networks and electronic circuits. One ampere of current (A) and a one volt (V) drop across a resistor's terminals produce an ohm, which is the resistance that results. The voltage at the terminal ends determines the current in a direct proportion. Ohm's law demonstrates how to calculate this ratio. Multiple applications exist for resistors. Among some examples are voltage division, heat generation, matching and loading circuits, current limiters for electric current, gain control, and time constant setting. With resistance values spanning a range of more than nine orders of magnitude, they are readily available on the market. Units of resister is omhs.In the International System of Units, the ohms serves as the reference unit for electrical resistance.
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A 12 volt car battery produces more current than a 1. 5 volt battery for a TV remote because Question 2 options: The TV remote has a greater difference in electric potential energy The car battery has more kinetic energy The TV remote has more kinetic energy The car battery has a greater difference in electric potential energy.
Answers
A 12 volt car battery produces more current than a 1. 5 volt battery for a TV remote because the car battery has a greater difference in electric potential energy.
The term voltage refers to the potential difference which is responsible for the flow of current in a circuit. Not that, the greater the potential difference, the greater the flow of current.
Hence, a 12 volt car battery produces more current than a 1. 5 volt battery for a TV remote because the car battery has a greater difference in electric potential energy.
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Science: Work, Power and Efficiency Practice Problems:
Work = Force x Distance
Power = Work / Time
Percent Efficiency = Work
Output/Work Input x 100
Step 1: Write the equation
Step 2: Substitute with units
Step 3: Solve with units
rounding to the nearest tenth
1) It took 639 Newtons to push a table 21 meters. How much work was done?
Answers
Answer:
I believe it is 13,419 joules.
Explanation:
I could be very wrong, please fact check me
What benefits have you enjoyed personally from using the power of hydraulics and pneumatics?
Answers
The benefits enjoyed personally from using the power of hydraulics and pneumatics are:
Increased efficiencyEnhanced safetyCost effectiveVersatility andPrecisionHydraulics and Pneumatics ExplanationHydraulics and pneumatics are two powerful technologies that utilize fluids to create mechanical motion or force. Both technologies have a wide range of applications in various industries, from construction and manufacturing to aviation and transportation. Here are some benefits one can enjoy personally from using the power of hydraulics and pneumatics:
Increased efficiency: Hydraulic and pneumatic systems can deliver high power with relatively low input, resulting in improved efficiency and productivity. For instance, hydraulic and pneumatic-powered machines require less energy to operate and can perform heavy-duty tasks with ease, saving time and effort.
Enhanced safety: Hydraulic and pneumatic systems are designed to provide consistent, reliable performance, reducing the likelihood of mechanical failures or accidents. Additionally, these systems can operate at high speeds and under extreme conditions, making them ideal for use in hazardous environments.
Cost-effective: Hydraulic and pneumatic systems can be more cost-effective than electric or mechanical systems, as they require less maintenance and have a longer lifespan. These systems also use less energy and can perform heavy-duty tasks with minimal wear and tear.
Versatility: Hydraulic and pneumatic systems are highly versatile, and can be adapted to suit a wide range of applications. For instance, hydraulic systems can be used to power cranes, excavators, and other heavy machinery, while pneumatic systems can be used for automated manufacturing processes, such as assembly lines.
Precision: Hydraulic and pneumatic systems are highly accurate, and can be controlled to deliver precise and consistent results. This makes them ideal for applications that require a high degree of precision, such as in the aerospace and medical industries.
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Please summarize this week's reading from Leader within You 2.0
by Maxwell Chapter 9.
Answers
In Chapter 10 of the book Leader Within You 2.0 by Maxwell, the author emphasizes on the importance of persistence. He highlights that persistence is necessary for attaining success in any area of life. It is particularly important for leaders who are looking to bring change or innovate.
Persisting through challenges and obstacles is crucial because it is inevitable that these challenges will arise. Maxwell provides various examples of famous leaders who persisted through difficult times. He notes that leaders should not be discouraged by failure and that they should use it as an opportunity to learn from their mistakes and grow
Additionally, leaders should not be afraid to take risks because it is impossible to achieve success without taking risks. Maxwell concludes the chapter by emphasizing that persistent people never give up and that persistence is key to reaching success.
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What magnitude of impulse (in n-s) will give a -kg object a momentum change of magnitude kg-m/s? round your answer to the nearest whole number.
Answers
The magnitude of the impulse will be equal to the magnitude of the momentum change.
The magnitude of impulse can be calculated using the formula:
Impulse = change in momentum
Given that the momentum change has a magnitude of kg-m/s, we can use this value to calculate the magnitude of the impulse.
Impulse = kg-m/s
To find the magnitude of the impulse in n-s (newton-seconds), we can use the fact that 1 N-s is equal to 1 kg-m/s.
So, the magnitude of the impulse will be equal to the magnitude of the momentum change.
Therefore, the magnitude of the impulse is kg-m/s.
To round this answer to the nearest whole number, we can round kg-m/s to the nearest whole number.
In this case, the magnitude of the impulse is 150 n-s.
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Two shuffleboard disks of equal mass, one of which is orange and one of which is yellow, are involved in an elastic collision. The yellow disk is initially at rest and is struck by the orange disk, which is moving initially to the right at 5.00 m/s. After the collision, the orange disk is at rest. What is the velocity of the yellow disk after the collision
Answers
Answer:
v₁ = 5 m/s
Explanation:
We can use the law of conservation of momentum here:
\(m_1u_1+m_2u_2=m_1v_1+m_2v_2\)
where,
m₁ = m₂ = m = mass of each disk
u₁ = initial speed of yellow disk = 0 m/s
u₂ = initial speed of orange disk = 5 m/s
v₁ = final speed of yellow disk = ?
v₂ = final speed of orange disk = 0 m/s
Therefore,
\(m(0\ m/s+5\ m/s)=m(v_1+0\ m/s)\\\\\)
v₁ = 5 m/s
plz help
Potential energy is often called
Question 1 options:
moving energy
stored energy
new energy
size energy
Answers
Answer: Stored energy
Safety belts protect people in cars in the event of an accident because, according to Newton’s laws of motion, when an impact causes the car to suddenly change its motion -
A.the speed of the people always increases, since now they have not one but two forces acting on them.
B.the speed of the car always increases, giving it greater force since the mass will remain the same.
C.the car now has a greater overall mass - its own mass plus the mass of the object by which it has been struck.
D.the people in the car will continue to move in the same direction and at the same speed as before the impact.
Answers
Answer:
D :)
Explanation:
When an impact causes the car to suddenly change its motion, (D) the people in the car will continue to move in the same direction and at the same speed as before the impact.
What is Newton's first law of motion?
Newton's first law of motion states that Unless influenced by an imbalanced force, a body at rest stays at rest, and a body in motion keeps moving in a straight path at a constant pace. This law is commonly known as law of inertia and the resistance of a body to maintain its state of rest is called inertia of rest, same as, the resistance of a body to maintain its state of motion is called inertia of motion.
When a car is moving with certain speed, the car along with the people inside the car is in inertia of motion. In an event of accident, the car comes in rest in no time but the man in the car is still in inertia of motion. So, his body moves forward in the car which may cause injuries. To prevent such injuries, the people inside a car are advised to use safety belts.
So, correct answer is option (D).
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A 2 kg ball is thrown down off a roof 10 meters high. At the bottom when it hits the ground
it is traveling 15 m/s. What is it's kinetic energy as it hits the ground?
Answers
The kinetic energy as it hits the ground with mass of 2kg and velocity 15m/s is found to be 225J
Explain what is kinetic energy?The energy a body has as a consequence of motion is known as kinetic energy. A force has to be applied to an object in order to propel it. We must put in effort in order to apply a force. After the work has been finished, energy is transferred to the item, which then travels at a new, constant speed.
At the bottom when ball hit ground with velocity = 15m/s
KE = 1/2 m v^2 => 1/2 x 2 x 15^2 => 225J
What distinguishes kinetic energy from potential energy?Potential energy is the energy that is kept in reserve in a system or object as a result of its orientation or configuration. An object's kinetic energy is measured in relation to stationary and moving items in its immediate surroundings. Potential energy is irrespective of an object's surroundings.
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