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A box has a mass of 5.8kg. The box is lifted from the garage floor and placed on a shelf 2.5m off the ground. How much gravitational potential energy does the box have before it falls off the shelf? A.
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May 25, 2019
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A box has a mass of 5.8kg. The box is lifted from the garage floor and placed on a shelf 2.5m off the ground. How much gravitational potential energy does the box have before it falls off the shelf?
A. 142.1 m/s
B. 14.5 J
C. 142.1 J
D. 18.13 J
Physics
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Gravitational potential energy =
(mass) x (gravity) x (height)
= (5.8 kg) x (9.8 m/s²) x (2.5 m)
=
142.1 Joules
(C)
Pikachu
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May 31, 2019
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