What is an example of vertical motion in galileo description?

(a)To calculate the initial velocity of the object with which it is thrown upward, we can use kinematic equation as follows, v 2 = u 2 − 2 g h Here, v is the final velocity, u is the initial velocity, g is the acceleration due to gravity and h is the height attained by the object.

Answer:

false

Explanation:

a voltage level in the range of 0 to 2 volts is is interpreted as binary 0.

A voltage level in the range of 3 to 5 volts is interpreted as a binary 1.

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The statement 'a voltage level in the range 0 to 2 volts is interpreted as a binary 1' is false as the interpretation depends on the specific digital logic standard.

The interpretation of a voltage level in the range 0 to 2 volts as a binary 1 depends on the specific digital logic standard being used. In some standards, a voltage level in this range may indeed be interpreted as a binary 1, while in others, it may not.

For example, in the TTL (Transistor-Transistor Logic) standard, a voltage level between 2.0 and 5.0 volts is considered a binary 1, while anything below 0.8 volts is considered a binary 0. In other standards, such as

CMOS (Complementary Metal-Oxide-Semiconductor), the voltage range for a binary 1 may be different. It is important to follow the specific standards and specifications for a particular digital system to ensure proper interpretation of voltage levels.

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Answer:

True, yes terminal voltage of a battery can never be greater than the emf of the battery. Because due to internal resistance of the current terminal

The force that causes the water to leave the rocket compared to the force that causes the rocket to launch is that they are unequal and act in opposite directions.

According to Newton's third law of motion, every action has a corresponding and opposing response. In the instance of Bode's rocket, the pressured air in the bottle causes the water to rush downward out of the bottle, causing the rocket to fly upward into the air. The upward force on the rocket is equivalent to the force of the water streaming down. Thus, the two forces are equivalent and exert opposing forces.

When you pump, more air is pumped into the bottle while maintaining the same volume. By doing this, you raise the pressure inside the bottle, increasing the force acting on the interior of the bottle. Eventually, when the bottle can no longer withstand the pressure, the cork will be violently ejected from the bottle's bottom by the force of the pressure. 

The air will be forced out of the bottle as rapidly as possible by the abrupt pressure drop caused by the new opening. When the air leaves the bottle, the pressure that was previously holding it under pressure is used to drive all of the water out with it.

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Answer:

They are equal and act in opposite directions.

Explanation:

I just answered the question on study island and got it right :P

Answer:10 m/s

Explanation:

Answer: Brown syrup

Explanation:

Answer:

syrup

Explanation:

Tony's Arc Reactor serves as the power source for the Repulsors, which are located in the palms of the armor.Originally intended to stabilize the flight of the armor and add more agility.

Hydrogen is the gas utilized, and a sophisticated suit like Iron Man can easily extract it from the air by electrolysis. The water was condensed even as suit overpressurized ram air into form water, as well as the hydrogen gas is formed and sent right to the rocket boots.

The nuclear core which Tony Stark creates and implants in his heart to save his life also fuels all of his armor.In essence, it is a very energy-dense battery.

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Answer:

the acceleration of the elevator is increasing

Explanation:

For this exercise we propose the solution using Newton's second law

         F -W = m a

         F = m (g + a)

If the net force increases, it implies that the acceleration of the elevator is increasing, since the acceleration of gravity is constant as the ascent is accelerating.

(a) The mechanical advantage of the ramp is determined as 2.5.

(b) The pulley provides additional advantage since it assisted the boy in pulling up the load.

The mechanical advantage of an object is the ratio of output force to input force, hence it is called force ratio.

M.A = Lp/h

where;

M.A = 10/4

M.A = 2.5

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To calculate the average deceleration of the bus, we can use the following formula:

Here, the initial velocity (v1) is 60 km/h, the final velocity (v2) is 40 km/h, and the time taken (t) is 8 seconds. To make the units consistent, we'll convert the velocities from km/h to m/s.

Now, we can plug the values into the formula:

Now, we'll find a common denominator for the fractions and simplify:

So, the average deceleration of the bus is approximately -150/216 m/s².

Answer:

Here are the five main ways to reduce friction:

        Definition: A lubricant is a substance that forms a thin layer between

         the two surfaces in contact.  

Explanation:

Answer:

Make surfaces smooth by grinding.

Lubrication.

Streamlined body.

Reduce pressure or weight on the object.

Reduce contact between surfaces by electrostatic magnetic levitation etc.

Use rolling friction instead of sliding friction.

Use fluid friction instead of the dry friction.

Explanation:

The magnitude of potential difference that the proton accelerates through is 3.34 x 10⁶ V under the condition that the proton with a speed of 2.0 x10⁵ m/s .

The potential difference that the proton accelerated through can be calculated using the following formula:

ΔV = (m x (v2² - v1²)) / (2 x q)

Here,

ΔV = potential difference in volts,

m = mass of the proton in kg,

v1 = initial velocity of the proton in m/s,

v2 = final velocity of the proton in m/s

q = charge of a proton in Coulombs.

Staging  the given values into this formula,

ΔV = (1.67 x 10⁻²⁷ kg x((4 x 10⁵ m/s)² - (2 x 10⁵ m/s)²)) / (2 x 1.60 x 10⁻¹⁹ C)

ΔV = 3.34 x 10⁶ V

Hence, the magnitude of potential difference that the proton accelerated through is 3.34 x 10⁶ V.

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The magnitude of potential difference the proton accelerated through is 2.4 x 10^−14 volts.

In order to calculate the magnitude of the potential difference, we can use the equation for the change in kinetic energy (ΔK) of a charged particle accelerated through a potential difference (ΔV):

ΔK = eΔV

Given that the initial speed of the proton (v1) is 2.0 x 10^5 m/s and the final speed (v2) is 4.0 x 10^5 m/s, we can find the change in kinetic energy:

ΔK = (1/2) m (v2^2 - v1^2)

Using the mass of the proton (m = 1.67 x 10^−27 kg) and rearranging the equation, we can solve for ΔV:

ΔV = ΔK / e

Substituting the given values into the equation, we get:

ΔV = (1/2) m (v2^2 - v1^2) / e

Plugging in the values, we find:

ΔV = (1/2) (1.67 x 10^−27 kg) ((4.0 x 10^5 m/s)^2 - (2.0 x 10^5 m/s)^2) / (1.60 x 10^−19 C)

Evaluating this expression gives us the magnitude of the potential difference:

ΔV = 2.4 x 10^−14 volts.

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Answer: You need your bachelor's to become a nurse at an entry level.

Explanation: Most nurses enter nursing knowing they will eventually earn their baccalaureate degree. While it’s possible to obtain an Associate Degree in Nursing (ADN), capped by earning one’s RN license by taking and passing the standardized NCLEX-RN exam, many nurses choose to further their education—and career prospects—by obtaining their baccalaureate degree. Requirements vary by state, but at the very least, the path to RN usually involves earning an Associate Degree in Nursing (ADN), qualifying a candidate to take the standardized national licensure examination known as NCLEX-RN. Only after taking this exam and passing may a nurse work as an RN. This is true of all states and the District of Columbia. Some localities may also have additional requirements.

RN - Registered Nurse

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Answer:

7.5m/s

Explanation:

Law of conservation of momentum: momentum in a system before collision equals to that after collision/

5kg*3m/s=2kg*v

15kgm/s=2kg*v

v=7.5m/s

Answer:

In 1687, Newton published one of the most important scientific books in history, the Philosophiae Naturalis Principia Mathematica, commonly known as the Principa. It was in this work that he first laid out his three laws of motion.

Explanation:

The Shadow zone is the area of the earth

from angular distances of 104 to 140 degrees from a given earthquake that does not receive any direct P waves

Answer:

1=false and 2=1st answer is correct

The hoop will have a slower speed at the bottom of the ramp than the cylinder because the hoop has a larger moment of inertia than the cylinder and more of the kinetic energy will be converted into rotational kinetic energy.

The hoop has a larger moment of inertia than the cylinder, meaning it is more resistant to rotational motion. When the hoop and cylinder roll down the ramp, they both convert their potential energy into kinetic energy, which is split between the translational and rotational motion of the objects. However, because the hoop has a larger moment of inertia, more of the kinetic energy will be converted into rotational motion, which means it will have a lower translational velocity than the cylinder.

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Answer:

1 / f = 1 / o + 1 / i

1 / image distance + 1 / object distance = 1  focal length

If the object distance is large the image will be at about the focal length

The value of 1 / f is fixed for any one particular lense

As the object distance decreases the image must increase

The above equation can also be written as

o i / (i + o) = f    or i / (i / o + 1)  = f

If for instance o was very large the image would be at the focal length

Given,

The mass of an object is m = 3 kg

Initial temperature, T1 = 400 K

The specific heat of this object is c = 478 J/kg.K

The heat is Q = 13 kJ

Let T2 be the final temperature.

The formula is used to calculate the final temperature.

Thus, the value of the final temperature is

Therefore, the given answer (a) is correct.

The elastic potential energy of the spring is 1.6 J.

The elastic potential energy of the spring is the energy stored in the spring and it is calculated as follows;

U = ¹/₂kx²

where;

The given parameters include;

U = ¹/₂kx²

U = ¹/₂ (80) (0.2)²

U = 1.6 J

Thus, the elastic potential energy of the spring is a function of the spring constant and the extension of the spring.

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Answer:

\(\huge\boxed{\sf V_i=60 \ m/s}\)

Explanation:

Final speed = \(V_f\) = 40 m/s

Time = t = 5 s

Acceleration = a = -4 m/s²

Initial velocity = \(V_i\) = ?

\(\displaystyle a = \frac{V_f-V_i}{t}\)

Put the givens in the above formula

\(\displaystyle -4=\frac{40 - V_i}{5} \\\\Multiply \ -5 \ to \ both \ sides\\\\-4 \times 5 = 40 - V_i\\\\-20 =40-V_i\\\\Subtract \ 40 \ to \ both \ sides\\\\-20-40=-V_i\\\\-60\ m/s=-V_i\\\\60 \ m/s = V_i\\\\V_i=60 \ m/s\\\\\rule[225]{225}{2}\)

1.Beaker A has less thermal energy than Beaker B

2.The water molecules in both beakers A and B have the same average kinetic energy

The temperature of the water in each of two beakers is same (50°C).

Beaker One contains (\(m_{1}\)) 100 g of water

Beaker Two contains (\(m_{2}\)) 250 g of water

Heat gained and lose by the object is depends on mass, change in temperature and specific heat.

Both beakers are made with same materials so their Specific heats and temperature are same .

Beaker B has more mass then Beaker A  so Beaker A has less thermal energy than Beaker B.

2.The water molecules in both beakers A and B have the same average kinetic energy.

The temperature of an object is a measure of its internal energy. Thermal Energy is a form of Kinetic Energy because it is related to the Molecular Velocity.

When Temperature increases the velocity of the molecules ( increases or decreases) and the Kinetic Energy (increases or decreases) as Temperature decreases the velocity of the molecules ( increases or decreases) and the Kinetic Energy (increases or decreases).

so Kinetic Energy Depends on Velocity and Velocity depends on   the Temperature in this problem Temperature are same so The water molecules in both beakers A and B have the same average kinetic energy.

It takes a lot of heat to increase the temperature of liquid water because some of the heat must be used to break hydrogen bonds between the molecules.

In other words, water has a high specific heat capacity, which is defined as the amount of heat needed to raise the temperature of one gram of a substance by one degree Celsius. The amount of heat needed to raise the temperature of 1 g water by 1 °C is has its own name, the calorie.

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We will have that the magnitude of the force required is:

So, it will need at least 98 N to keep it from moving downwards.

Answer: Gas

Explanation:

the particles in a gas aren’t close together and they move freely. Like the air. can I have Brainliest plz.

Answer:

5,730 years

i literally took a test on this question yesterday, lol

Explanation:

Hopefully this helped, if not HMU and i will try my best to get u a better answer, and if u need help with anything just let me know and i got u! :)

According to conductive heat loss views, the adaptations would be beneficial to animals is a)Thin skinlots of tissues, like muscle, with high thermal conductivity. So,correct option is a.

Conductive heat loss is the exchange of intensity through a film. For application in spaces, for example, nurseries, the exchange of concern is ordinarily warmth from inside the nursery that is lost through the skin of the nursery into the external climate. In thermodynamics, heat is characterized as the type of energy crossing the limit of a thermodynamic framework by excellence of a temperature distinction across the limit.

The absolute intensity loss of the article includes loss happening by radiation, convection, and conduction. Heat loss is estimated by the units called Watts. Heat loss equation is communicated by, q = (U × A) ×δt Where, q = all out heat misfortune through the structure in Btu/hr,

Hence, correct option is a.

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(Complete question) is:

From the point of view of conductive heat loss, which adaptations would be beneficial to animals living in extremely cold climates?Group of answer choices

a)Thin skinLots of tissues, like muscle, with high thermal conductivity

b)As small a surface area as possible given the volume of the animal.

c)Lots of tissues, like fat, with low thermal conductivityThick skin

d)As large a surface area as possible given the volume of the animal.

Answer: They have different rigidities.

Explanation: