Using the parallel axis theorem, what is the moment of inertia of the rod of mass m about the axis shown below? (Use the following as necessary: m and L.)
Answers
The moment of inertia of the rod of mass m about the axis shown below is (1/3)mL².
The moment of inertia of the rod of mass m about the axis shown below can be calculated using the parallel axis theorem, which states that I = I_cm + md², where I_cm is the moment of inertia about the center of mass, m is the mass of the rod, and d is the distance between the center of mass and the axis of rotation.
The center of mass of a uniform rod is at its center, so the moment of inertia about the center of mass can be calculated as I_cm = (1/12)mL², where L is the length of the rod. To use the parallel axis theorem, we need to find the distance d between the center of mass and the axis of rotation. The axis is perpendicular to the rod and passes through one end, so d is equal to half the length of the rod: d = L/2.
Substituting these values into the parallel axis theorem gives:
I = (1/12)mL² + m(L/2)²
I = (1/12 + 1/4)mL²
I = (1/3)mL²
Therefore, the moment of inertia of the rod of mass m about the axis shown below is (1/3)mL².
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Related Questions
Ocean's Life Zones: Physical Properties & Organisms 1. List the three major life zones in order from the largest zone to the smallest zone.
Answers
The Sunlight zone, Twilight zone, Midnight zone, and Abyssal zone are the four ocean zones.
The euphotic zone, the bathyal zone, and the abyssal zone are the three living zones that make up the open ocean. Sunlight penetration serves as the foundation for the subdivision. The upper oceanic zone known as the euphotic zone is where producer species create oxygen.
The bathypelagic is 15 times the size of the epipelagic and is significantly larger than the mesopelagic. It is the planet's largest ecosystem. The absence of any sunlight at all establishes the upper boundary of this zone. In the bathypelagic, organisms endure constant, total darkness.
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A conducting coil of 2190 turns is connected to a galvanometer, and the total resistance of the circuit is 44.0 . The area of each turn is 4.56 x 10^-4 m^2. This coil is moved from a region where the magnetic field is zero into a region where it is nonzero, the normal to the coil being kept parallel to the magnetic field. The amount of charge that is induced to flow around the circuit is measured to be 9.02 x 10^-3 C.
Required:
Find the magnitude of the magnetic field.
Answers
The magnitude of the magnetic field is 8.70 T (Tesla).Answer: 8.70.
Given Data Number of turns (N) = 2190Total resistance (R) = 44 ΩArea of each turn (A) = 4.56 × 10⁻⁴ m²Charge induced (q) = 9.02 × 10⁻³ C Formula used Faraday's Law of electromagnetic induction states that:ε = -NdΦ/dt where ε is the induced EMF, N is the number of turns, Φ is the magnetic flux and t is the time.
As the magnetic field is zero, flux Φ₀ = 0Therefore,ε = -NdΦ/dt We know that, Current I = q/t
Therefore,ε = -NdΦ/dt = -Nd(BA)/dt = NBA/dt
Where B is the magnetic field strength We know that, B = ε/(NA/dt) = (q/dt)/(NA) = (9.02 × 10⁻³ C)/(2190 × 4.56 × 10⁻⁴ m²) = 8.70 T
Therefore, the magnitude of the magnetic field is 8.70 T (Tesla).Answer: 8.70.
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A certain slide projector has a 100 mm focal length lens. How far away is the screen in meters, if a slide is placed 115 mm from the lens and produces a sharp image? If the slide is 24.0 by 36.0 mm, what is the image's smaller dimension in meters? If the slide is 24.0 by 36.0 mm, what is the image's larger dimension in meters?
Answers
The image's smaller dimension is 0.0096 m and the larger dimension is 0.0144 m.
To find the distance from the lens to the screen, we can use the formula \frac{1}{f }= \frac{1}{di} +\frac{ 1}{do}, where is the focal length, di is the distance from the lens to the slide, and do is the distance from the lens to the screen. in the values, we get\frac{ 1}{100} = \frac{1}{do} + \frac{1}{115},
which gives us do = 287.5 mm or 0.2875 m.
To find the smaller dimension of the image, we can use the formula, where is the height of the image, is the height of the object and do are the same distances as before. Since the is horizontally, we need to use its height as the smaller dimension. in the values, we get,
which gives us hi = 9.6 mm or 0.0096 m.
To find the larger dimension of the image, we can use the same formula but with the of the slide. adding in the values, we get
\frac{ hi}{36.0 mm} = \frac{115 mm}{287.5 mm}
which gives us hi = 14.4 mm or 0.0144 m.
Therefore, the image's smaller dimension is 0.0096 m and the larger dimension is 0.0144 m.
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A child swings a bucket tied to a rope so that the bucket rotates in perfectly horizontal circles. The circles made by the bucket all have a radius of 1.50 meters, and the bucket makes a complete revolution once every 0.500 seconds. what is the tangential speed of the bucket?
Answers
The tangential speed of the bucket when a child swings a bucket tied to a rope so that the bucket rotates in perfectly horizontal circles is 9.43 m/s.
It is given that A child swings a bucket tied to a rope so that the bucket rotates in perfectly horizontal circles. The circles made by the bucket all have a radius of 1.50 meters, and the bucket makes a complete revolution once every 0.500 seconds.So, Radius of the circle, r = 1.5 mTime period, T = 0.5 sSpeed, v =
We know that the circumference of a circle is given by,Circumference, C = 2πrHere, r = 1.5 mSo, C = 2π × 1.5 = 3π mAlso, we know that the formula for tangential speed is given by,v = 2πr/THere, r = 1.5 m and T = 0.5 sSo, v = 2π × 1.5/0.5 = 4.71 × 3 = 14.14 m/sTherefore, the tangential speed of the bucket when a child swings a bucket tied to a rope so that the bucket rotates in perfectly horizontal circles is 9.43 m/s.
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HELP ITS ABOUT WEIGHT AND SCIENCE, ITS SUPER EASY THOUGH
Answers
Weight is a measure of how gravity pulls on an object.
Explanation:
Mass is the amount of matter in an object. So mass is constant even if an object is placed on say: Moon. But the Weight is different in different places because gravity changes.
I hope you understood. pls give brainliest if possible. thank you
For a stirred tank that is cooled by a water coil, what is the consequences of neglecting coll dynamics? a • Thermal capacitance of the collis neglected with respect to the tank wall and the tank liquid • Energy balance is done only on the tank wall Ob • Thermal capacitance of the collis neglected with respect to the tank wall and the tank liquid • Energy balance is done only on the tank liquid oc • Thermal capacitance of the collis neglected with respect to the tank wall and the tank liquid
Answers
The thermal capacitance of the coil is neglected with respect to the tank wall and the tank liquid. Energy balance is done only on the tank liquid. Option C is the correct answer.
The consequence of neglecting the thermal dynamics of the cooling coil in a stirred tank can vary depending on the specific situation and the magnitude of the neglected effects. However, in general, neglecting the thermal capacitance of the cooling coil in relation to the tank wall and the tank liquid can have the following consequences:
Inaccurate temperature predictions: Neglecting the thermal capacitance of the cooling coil means that the cooling effect provided by the coil will not be properly accounted for in the energy balance of the system. This can lead to inaccurate temperature predictions within the tank. The coil may cool the tank contents faster or slower than anticipated, leading to deviations from the desired temperature profile.Inefficient cooling: Neglecting the thermal capacitance of the coil implies that the cooling coil is assumed to have an instantaneous cooling effect, without considering its own thermal inertia. This can result in inefficient cooling as the coil may not be able to transfer heat effectively to the cooling water due to the lack of thermal capacitance consideration. Consequently, the cooling process may be slower or less efficient than expected.Risk of equipment failure: If the cooling coil is subjected to rapid temperature changes due to neglecting its thermal capacitance, it can potentially lead to thermal stress and mechanical failure of the coil. The coil may not be designed to handle abrupt temperature variations, which can result in damage or reduced lifespan of the equipment.Energy consumption discrepancies: Neglecting the thermal capacitance of the coil can affect the overall energy balance calculations for the system. The energy required to operate the cooling coil may be underestimated, leading to discrepancies in energy consumption estimations. This can have implications for energy management and cost considerations.Learn more about capacitance at
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Read the scenario below and answer the question that follows. After a long day of being nice to impolite customers at the restaurant where she works, Marisa comes home and unwinds by playing several hours of a violent video game. When she is finished playing, she feels a little better about all of the times she had to endure the rudeness of her customers and couldn't say what she was thinking. A psychologist would say that she enjoys the game because it acts as a __________. A. Catharsis B. Physiological arousal C. Maladaptive emotion D. Verbal outburst.
Answers
Answer:
A psychologist would say that Marisa enjoys the game because it acts as a catharsis.
Explanation:
Catharsis refers to the release of pent-up emotions or tension through a particular activity or experience. In this case, playing the violent video game serves as a cathartic outlet for Marisa's frustrations and suppressed emotions resulting from dealing with impolite customers at work. By engaging in the game, she can release or alleviate her negative feelings in a simulated environment, providing a sense of relief or satisfaction.
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a wire with the length 60 cm is tied down between two supports, vibrating in its third harmonic mode with frequency 150 hz. if the mass of the wire is 0.01 kg what is the tension in the wire?
Answers
When the mass of wire is 0.01 kg then the tension in the wire is 129.60N.
What is the tension?Here given that,
The mass of the wire, m = 0.01kg
Vibration frequency, f = 150Hz
The length of the wire, l = 60cm
= 0.6 m
The wavelength of the stationary wave (λ) is proportional to the length of the wire as follows:
λ = 2l/n where n is the number of nodes in the wire,
n=1 for fundamental node:
2l = 2 x 0.6
λ = 1.2 m
The transverse wave speed in the string is given as,
v = fλ
=150 x 1.2
=180m/s.
The tension produced by the string is given by the relationship:
T = v²µ
=(180)² x 4.0 x 10⁻²
= 129.60N
Therefore the tension in the wire is 129.60N.
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A charge of 8.4 × 10–4 C moves at an angle of 35° to a magnetic field that has a field strength of 6.7 × 10–3 T.
If the magnetic force is 3.5 × 10–2 N, how fast is the charge moving?
9.1 × 10–5 m/s
1.3 × 10–4 m/s
7.6 × 103 m/s
1.1 × 104 m/s
Answers
Answer:
the correct answer is D
Explanation:
how many ft is 65 inches
Answers
According to the article Alien Antimatter Crashes into Earth e: More than 60 years ago, future Nobel laureate Sheldon Glashow predicted that if an antineutrino - the antimatter answer to the nearly massless neutrino - collided with an electron, it could produce a cascade of other particles. The "Glashow resonance e" phenomenon is hard to detect, in large part because the antineutrino needs about 1,000 times more energy than what's produced in the most powerful colliders on Earth. Let's compare this event to an ordinary baseball with a mass of 146 g. Please use three significant figures in your calculations. Question 1 2 pts What is the threshold antineutrino energy for the Glashow resonance in peta electronvolts (PeV)? Question 2 2 pts What is this threshold energy in units of joules? dance Question 3 2 pts Now consider a baseball with the same kinetic energy as that of the Glashow resonance. What speed in m/s would correspond to this energy? Question 4 2 pts What is this rate in units of inches/second? Question 5 3 pts Compare and contrast IceCube e to Ice Cube e. How are they the same? How are they different? Edit View Insert Format Tools Table 12pt Paragraph BIU A ev T²v
Answers
FULL SOLUTION BELOW THE PIC.
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A new compound has just been developed. Its formula is: C17H2ON4NaOgP.
How many different elements make up this compound?
A 8
B 7
C6
D 32
Answers
Answer:
B- 7
Explanation:
its how many elements, you don't need the amound of each element. you have to count the number of capitalized letters. Hope this helps!
A Styrofoam ball has just been shot straight up. Air resistance is not negligible (free body diagram)
Answers
In a free body diagram for an object projected upwards;
the acceleration due to gravity on the object is always directed downwards.the velocity of the object is always in the direction of the object's motion.An object projected upwards is subjected to influence of acceleration due to gravity.
As the object accelerates upwards, its velocity decreases until the object reaches maximum height where its velocity becomes zero and as the object descends its velocity increases, which eventually becomes maximum before the object hits the ground.
To construct a free body diagram for this motion, we consider the following;
the acceleration due to gravity on the object is always directed downwardsthe velocity of the object is always in the direction of the object's motion.For instance:
upward motion for velocity ↑ downward motion for velocity ↓
↑ ↓
↑ ↓
acceleration due to gravity ↓
↓
↓
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estimate how much energy per year is needed for 1 gigawatt (in j/yr).
Answers
An estimate of how much energy per year is needed for 1 gigawatt is approximately 31,536,000,000,000,000 joules (J) per year.
To estimate how much energy per year is needed for 1 gigawatt, we need to consider the unit of measurement for energy, which is joules (J).
A gigawatt is equivalent to 1 billion watts or 1,000,000,000 watts. To calculate the energy per year, we need to multiply this value by the number of seconds in a year.
There are 60 seconds in a minute, 60 minutes in an hour, 24 hours in a day, and 365 days in a year.
So, 1 gigawatt x 1 year = 1,000,000,000 watts x 60 seconds/min x 60 minutes/hour x 24 hours/day x 365 days/year
= 31,536,000,000,000,000 joules (J) per year
Therefore, approximately 31,536,000,000,000,000 joules (J) per year is an estimate of energy needed for 1 gigawatt.
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Please help meeee i’m very confused
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The amount of force is referred to as the magnitude of a force. Hence, option B is correct.
What is Force?A force is an action that has the ability to alter an object's motion. An object can be caused by a force, which can also accelerate an item. To describe force, a push or a pull, makes intuitive sense. Forces have had both direction and magnitude, since they are vector quantities. It is measured in newtons that use the SI system (N). The symbol for force is the letter F.An entity's net force equals the rate at which its momentum is changing over time, according to the original formulation of Newton's second law.Objects' velocities can be changed by the concepts of push, drag, and torque. Thrust causes an item to move faster, whereas torque allows an object to move slower. Each part of an extended body typically exerts forces on its adjacent sections; the internal mechanical stress in the body is the result of the distribution of these forces.To learn more about force refer
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A satellite is orbiting Earth at a distance of 42.0 kilometers. The satellite has a mass of 900kilograms. What is the force between the planet and the satellite? Hint: Recall Earth's mass aradius from earlier problems.
Answers
Answer:
8716.97 N
Explanation:
The force between the planet and the satellite can be calculated using the following equation
\(F=G\frac{m_1m_2}{d^2}\)Where G = 6.67 x 10^(-11) N m²/kg², m1 is the mass of the satellite, m2 is the mass of the Earth and d is the distance from the center of the Earth to the satellite
Since the radius of the Earth is 6,371 km, we get
d = 42 km + 6,371 km = 6413 km
Then, to convert to m, we need to multiply by 1000
d = 6413 km x 1000 m/km = 6.413 x 10^6 m
Finally, replacing m1 = 900 kg, m2 = 5.972 x 10^24 kg, and d = 6.413 x 10^6 m, we get:
\(\begin{gathered} F=6.67\times10^{-11}\frac{(900)(5.972\times10^{24})}{(6.413\times10^6)^2} \\ F=8716.97\text{ N} \end{gathered}\)Therefore, the force between the planet and the satellite is 8716.97 N
A pitcher throws a baseball horizontally from the mound to home plate. The ball falls 0. 857 m (2. 81 ft) by the time it reaches home plate 18. 3 m (60 ft) away. How fast was the pitchers pitch.
Answers
Answer:
Baseball is commonly expressed in English units - we'll use that
(Rubber to home plate is 60' 6 '' but the ball is probably released at about 60 ft)
t = S / v time of fall and time to reach plate
H = 1/2 g t^2
t = (2 H / g)^1/2 we'll use 32.,2 ft / sec^2 for g
t = (2 * 2.81 / 32.2)^1/2 = .418 sec
v = 60 ft / .418 sec = 144 ft/sec
Since 60 mph = 88 ft/sec
v = 144 / 88 * 60 = 98 mph
5. Your riding a skateboard that is 1.4 kg and goingnortheast with a velocity of 19 m/s. You weigh about 52kg. What is the total momentum of you and theskateboard.What is the mass of the the skateboard.Find the combined mass.Find the velocity of you and the skateboard.
Answers
Answer:
Explanation:
Here is the information we have.
Skateboard: 1.4 kg, velocity = 19 m /s
You: weight: 52 kg, veclocity = 19m/s (since you are riding the skateboard)
Now the momentum of an object is given by
\(p=mv\)where
m = mass
v = velocity
Now in our case, the momentum of the skateboard is
\(p_{\text{skateboard}}=1.4\operatorname{kg}\cdot19m/s=26.6\operatorname{kg}\cdot m/s\)Your momentum is
\(p_{\text{you}}=52\operatorname{kg}\cdot19m/s=988\operatorname{kg}\cdot m/s\text{.}\)Therefore, the total momentum of you and the skateboard is
\(p_{\text{total}}=p_{\text{you}}+p_{\text{skateboard}}=(26.6+988)kg\cdot m/s\)\(\Rightarrow\boxed{p_{\text{total}}=1014.6\operatorname{kg}\cdot m/s\text{.}}\)The combined mass of the skateboard and you is
\(m_{\text{total}}=m_{\text{you}}+m_{\text{skateboard}}=52\operatorname{kg}+1.4\operatorname{kg}\)\(\Rightarrow\boxed{m_{\text{total}}=53.4\operatorname{kg}\text{.}}\)Hence, to summerise
total momentum = 1014.6 kg * m/s
combined mass = 53.4 kg.
Information € 3.4 SCIENCE IN ACTION ATTEMPT 1 notes to answer the following questions. Which statement is true? Choose one. 5 points O When two resistors are connected in series, there is less total current in the circuit than if the two resistors were connected in parallelO When two resistors are connected in parallel, there is less total current in the circuit than if the two resistors were connected in series. O The total current is the same regardless of if the two resistors are connected in series or in parallel.QUESTION 22 Which statement is true? Choose one.5 points O Current varies throughout a series circuit. O Current stays the same through a series circuit.
Answers
Part A) 21 The current falls whenever two transistors are linked in series because the overall resistance rises. However, if you link them in parallel, total resistance is reduced, which causes current to increase. Therefore, choice 1 is correct. In a series circuit, the current is continuous.
Part B) The right answer is that when two resistors are linked in series, less total current flows through the circuit than when they are connected in parallel.
What are resistors used for?What a resistor is. a passive electrical device that has two terminals and is employed in electrical circuits to limit or regulate the flow of current. A resistor's primary function is to lower the voltage and reduce current flow in a specific area of the circuit.
Where do resistors get their use?The amount of current flowing through the circuit is affected by any changes in a resistance value. The following are some circuit functions where resistors are used: the musical tone's pitch, and.
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Un móvil viaja inicialmente con una velocidad de 55 m/s, al cabo de cierto tiempo, su velocidad es de 115 m/s, de repente frena bruscamente con una desaceleración de 14, 500 m/s2. ¿qué distancia recorrerá antes de frenar?
Answers
Answer:
Distancia, S = 2.84 metros
Explanation:
Dados los siguientes datos;
Velocidad inicial = 55 m/s
Velocidad final = 115 m/s
Deceleración = 14500 m/s²
Para encontrar qué tan lejos viajaría el automóvil, usaríamos la tercera ecuación de movimiento;
V² = U² + 2aS
115² = 55² + 2*14500*S
13225 = 3025 + 29000S
29000S = 13225 - 3025
29000S = 10200
S = 29000/10200
Distancia, S = 2.84 metros
A sailboat ends up 7 miles to the west of a pier. Which statement is true about this situation? (1 point)
It describes displacement, which is a vector quantity.
It describes distance, which is a scalar quantity.
It describes distance, which is a vector quantity.
It describes displacement, which is a scalar quantity.
Answers
The statement that is true about the situation where the sailboat ends up 7 miles to the west is that it describes displacement, which is a vector quantity (option A).
What is displacement?Displacement is the vector quantity which denotes distance with a directional component. This means that displacement is distance with direction.
On the other hand, distance is the amount of space between two points, usually geographical points, usually (but not necessarily) measured along a straight line. It is a scalar quantity, meaning that it has no direction.
This serves as the major difference between both terms: Distance is a scalar quantity that refers to "how much ground an object has covered" during its motion. Displacement is a vector quantity that refers to "how far out of place an object is"; it is the object's overall change in position.
According to this question, a sailboat ends up 7 miles to the west of a pier. This means that the magnitude is 7 while the direction is west of the pier, hence, it depicts displacement.
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HELP PLZZZZZZZZZZZZZ
Answers
Answer:
A and B and D and C
Explanation:
Answer: I would say (A) (D) and (C)
Explanation: I am doing the same thing in my class as well.
Hope this helped. :-)
Have a wonderful day!!
What is the equation for torque used for lever arm and F for force?
Answers
The required equation for torque used for lever arm r and F for force is given as τ = |r| |F| sinθ.
A simple way to calculate the magnitude of the torque is to first determine the lever arm and then multiply by the times of applied force.
The lever arm is described as the perpendicular distance from axis of rotation to the line of action of force.
The equation used to calculate torque is , τ = r × F = |r| |F| sinθ
where,
r is the magnitude of lever arm
F is the magnitude of force vector
θ is the angle between lever arm and force vectors
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A circuit with a battery, a 3 Ω resistor, and a 15 Ω resistor, in parallel. The total current is the system is 3.0 A. What is the voltage of the battery?
Answers
Given data:
* The current through the system is I = 3 A.
* The resistance of resistors connected in parallel is,
\(\begin{gathered} R_1=3\text{ ohm} \\ R_2=15\text{ ohm} \end{gathered}\)Solution:
The equivalent resistance of the system is,
\(\frac{1}{R_{eq}}=\frac{1}{R_1}+\frac{1}{R_2}\)Substituting the known values,
\(\begin{gathered} \frac{1}{R_{eq}}=\frac{1}{3}+\frac{1}{15} \\ \frac{1}{R_{eq}}=\frac{5+1}{15} \\ \frac{1}{R_{eq}}=\frac{6}{15} \end{gathered}\)By taking inverse value,
\(\begin{gathered} R_{eq}=\frac{15}{4} \\ R_{eq}=3.75\text{ ohm} \end{gathered}\)According to Ohm's law, the voltage across the battery is,
\(V=IR_{eq}\)Substituting the known values,
\(\begin{gathered} V=3\times3.75 \\ V=11.25\text{ volts} \end{gathered}\)Thus, the voltage across the battery is 11.25 volts.
If u have a old dogs and it starts whining and it's legs lockup ,and wont let u pick it up. What do i do Im s scared?
Answers
The dog MUST be SEEN by a vet.
Not on the phone, not from your description. Not a web search, and not asking for advice online.
A qualified veterinarian has to have his hands on the animal, examine the dog, and make some suggestions. It might cost some money.
There's something missing here. A qualified real vet will never just say "I don't know, good bye!".
the planets uranus and neptune are so far from the sun that temperatures are low enough for atmospheric methane, ch4, to condense and form clouds. how is it possible for methane, a nonpolar substance, to exist in this liquid state?
Answers
Methane is able to exist in a liquid state on Uranus and Neptune due to the extreme cold temperatures at those distances from the sun.
Methane is a nonpolar substance, meaning that it has no permanent electric dipole moment. This typically makes it a gas at room temperature and standard pressure on Earth. However, on Uranus and Neptune, the temperatures are so cold (around -200°C) that the methane is able to condense and form clouds.
At these low temperatures, the intermolecular forces of attraction between methane molecules become significant enough to overcome the energy of motion and keep them in a liquid state. Therefore, the extremely cold temperatures on these planets allow for methane, a nonpolar substance, to exist in a liquid state.
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an ideal carnot engine has an efficiency of 75.0 nd performs 5500 j of work every cycle. how much energy is discharged to the lower temperature reservoir every cycle?
Answers
The energy discharged to the lower temperature reservoir every cycle is approximately 1833.33 J.
The efficiency of a Carnot engine is given by the equation:
Efficiency = 1 - (Tc/Th)
where Tc is the temperature of the lower temperature reservoir and Th is the temperature of the higher temperature reservoir.
In this case, we are given the efficiency of the Carnot engine as 75%, which is equivalent to 0.75. Let's solve for Tc/Th:
0.75 = 1 - (Tc/Th)
Tc/Th = 1 - 0.75
Tc/Th = 0.25
Now, let's consider the energy discharged to the lower temperature reservoir.
The work done by the engine every cycle is given as 5500 J. In a Carnot engine, the work done is equal to the difference in heat absorbed from the higher temperature reservoir (Qh) and the heat discharged to the lower temperature reservoir (Qc):
Work = Qh - Qc
Since the efficiency is given as 75%, the ratio of Qc to Qh is 0.25. Let's express this mathematically:
Qc/Qh = 0.25
Qc = 0.25 * Qh
Since the work done is equal to 5500 J, we have:
5500 J = Qh - 0.25 * Qh
5500 J = 0.75 * Qh
Now we can solve for Qh:
Qh = 5500 J / 0.75
Qh = 7333.33 J
Finally, we can calculate the energy discharged to the lower temperature reservoir (Qc):
Qc = 0.25 * Qh
Qc = 0.25 * 7333.33 J
Qc = 1833.33 J
Therefore, the energy discharged to the lower temperature reservoir every cycle is approximately 1833.33 J.
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Ph11_UnitPacket2019
Page 30 of 38
3. A ray of light travels from air into a liquid. The ray is incident upon the liquid at an angle of 30.0 degrees
The angle of refraction is 19.9º.
a. What is the index of refraction for the liquid? 1901
1999
thin liquid could be.
Answers
Let's see
Use snells law
\(\\ \rm\Rrightarrow \dfrac{n_1}{n_2}=\dfrac{sini}{sinr}\)
\(\\ \rm\Rrightarrow \mu=\dfrac{sin30}{sin19.9}\)
\(\\ \rm\Rrightarrow \mu=0.5/0.34\)
\(\\ \rm\Rrightarrow \mu=1.47\)
It may be glass
I WILL GIVE BRAINLIEST!!!!!!
An inclined plane makes work easier by decreasing force. This means, it must also _____.
decrease work
increase weight
increase distance
decrease distance
Answers
Answer:
increase distance
Explanation:
Inclined planes make it easier to move objects to a higher elevation. The sloping surface of the inclined plane supports part of the weight of the object as it moves up the slope. As a result, it takes less force to move the object uphill.
Answer:
Hello your answer would be increase of distance
Explanation:
I know that because than you would have to go upward with the object.
a ball of 5 kg is moving towards the wall at 6 m/s. after a while, it hits the wall and rebounds back at 4 m/s in the opposite direction. what is the work done on it?
Answers
Answer:-50 J
Explanation:
Answer: -50 N
Explanation: