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# a 17 kg box sitting on a shelf has a potential energy of 350 j. how high is the shelf? round your answer to the nearest whole number. the shelf is m high.

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### James

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## A 17 kg box sitting on a shelf has a potential energy of 350 J. How high is the shelf?

A 17 kg box sitting on a shelf has a potential energy of 350 J. How high is the shelf? Round your answer to the nearest whole number. Questions

## science

A 17 kg box sitting on a shelf has a potential energy of 350 J. How high is the shelf? Round your answer to the nearest whole number.

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Iambest.unknown

Mar 23, 2020

PE = mgh = 17 x 9.8 x h = 350 J

👍 👎 🚩 👤

DrBob222

Mar 23, 2020 2m 👍 👎 🚩

bnm

Mar 26, 2020 The answer is 225 👍 👎 🚩

Sjsksbs shsvs

Aug 20, 2020 2m 👍 👎 🚩

zakiah

Sep 8, 2020 It is 2m 👍 👎 🚩

Jermaine

Sep 18, 2020

A crane lifts a cargo box 10 m off the ground. If the crane lifts the cargo box twice as high, the potential energy will increase by

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tricia

Sep 24, 2020

Those answer are 2m because it is how the question is and mybe you can tell why

👍 👎 🚩

tricia

Sep 24, 2020

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## Potential and Kinetic Energy

Start studying Potential and Kinetic Energy - Assignment. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

## Potential and Kinetic Energy - Assignment

5.0 42 Reviews

Complete these sentences.

If a roller coaster train has a potential energy of 1,500 J and a kinetic energy of 500 J as it starts to travel downhill, its total energy is J.

Once the roller coaster train gets closer to the bottom of the hill, its kinetic energy increases to 1,100 J, and its potential energy decreases to J.

When the train reaches the bottom of the track and is traveling along the ground, its kinetic energy is J.

Click card to see definition 👆

2,000 900 and 2,000

Click again to see term 👆

What is the potential energy of a 150 kg diver standing on a diving board that is 10 m high?

The potential energy is J.

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14700

Click again to see term 👆

1/8 Created by Unicornmaste

### Terms in this set (8)

Complete these sentences.

If a roller coaster train has a potential energy of 1,500 J and a kinetic energy of 500 J as it starts to travel downhill, its total energy is J.

Once the roller coaster train gets closer to the bottom of the hill, its kinetic energy increases to 1,100 J, and its potential energy decreases to J.

When the train reaches the bottom of the track and is traveling along the ground, its kinetic energy is J.

2,000 900 and 2,000

What is the potential energy of a 150 kg diver standing on a diving board that is 10 m high?

The potential energy is J.

14700

A 17 kg box sitting on a shelf has a potential energy of 350 J. How high is the shelf? Round your answer to the nearest whole number.

The shelf is m high.

2

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half. the same amount. two times. four times. two times.

Read the scenario, then answer the questions.

A 2 kg ball is thrown upward with a velocity of 15 m/s.

What is the kinetic energy of the ball as it is being thrown? J

What is the potential energy of the ball when it gets to its maximum height just before falling back to the ground? J

225 and 225

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Determine how potential and kinetic energy changes at each position of the pendulum as the ball swings from A to E.

Position A: Position B: Position C: Position D: Position E

Position A:✔ is all potential

Position B✔ is losing potential and gaining kinetic

Position C:✔ is all kinetics

Position D:✔ is losing kinetic and gaining potential Position E✔ is all potential

Read the scenario and solve these two problems.

When traveling at top speed, a roller coaster train with a mass of 12,000 kg has a velocity of 30 m/s. The kinetic energy of the train at top speed is J.

Given this kinetic energy, what is the tallest hill this roller coaster train can reach the top of?

The train can climb a hill that is m high.

5400000 and 46

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PHYSICS

You pull with a force of 255 N on a rope that is attached to a block of mass 30 kg, and the block slides across the ﬂoor at a constant speed of 1.1 m/s. The rope makes an angle

\theta = 40

θ=40 with the horizontal. Both the force and the velocity of the block are in the xy plane

(a) Express the tension force exerted by the rope on the block as a vector.

A sphere of radius a in free space contains charge of density

\rho_{v}=\rho_{0} r / a,

ρ v ​ =ρ 0 ​ r/a, where \rho_{0} ρ 0 ​

is a constant. (a) Find the electric field intensity,

\mathbf{E}_{\mathbf{I}},

E I ​

, inside the sphere. (b) Find the electric field intensity,

\mathbf{E}_{\mathbf{II}},

E II ​

, outside the sphere. (c) A spherical shell of radius b is positioned concentrically around the sphere. What surface charge density,

\rho_{s}, ρ s ​

, must exist on the shell so that the electric field at locations

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James 6 month ago

Guys, does anyone know the answer?