Question

A 7.9 kg box is lifted from the floor to a shelf 2.8 m above the floor. The box then falls to the floor. Use energy concepts to answer the following questions. A. What is the gravitational potential energy of the box when it is on the shelf? B. What is the kinetic energy of the box just before it hits the floor? Explain. C. What is the velocity of the box just before it hits the floor?

Name: a 79 kg box is lifted from the floor to a shelf 28 m above the floor the box then falls to the floor use energy concepts to answer the following questions a what is the gravitational potenti 02852
Uploaded: 2023-07-01T12:02:12-08:00
Duration: 1 min 36 s
Channel: Ivan Kochetkov
Description: a 79 kg box is lifted from the floor to a shelf 28 m above the floor the box then falls to the floor use energy concepts to answer the following questions a what is the gravitational potenti 02852

          A 7.9 kg box is lifted from the floor to a shelf 2.8 m above the floor. The box then falls to the
floor. Use energy concepts to answer the following questions.
A. What is the gravitational potential energy of the box when it is on the shelf?
B. What is the kinetic energy of the box just before it hits the floor? Explain.
C. What is the velocity of the box just before it hits the floor?

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University Physics with Modern Physics

Hugh D. Young 14th Edition

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Solved by Expert Ivan Kochetkov

07/01/2023

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A 7.9 kg box is lifted from the floor to a shelf 2.8 m above the floor. The box then falls to the floor. Use energy concepts to answer the following questions. A. What is the gravitational potential energy of the box when it is on the shelf? B. What is the kinetic energy of the box just before it hits the floor? Explain. C. What is the velocity of the box just before it hits the floor?