P4 The 50 kg-mass box is pulled up slowly on a 5 m high inclined plane from its bottom to its top. During this motion, 4.1 kJ work was done by us. The pulling force is parallel to the surface of the inclined plane. After we reach the top of the inclined plane, we release the box. What is the speed of the box when it reaches the bottom of the inclined plane? Neglect air drag.

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P4 The 50 kg-mass box is pulled up slowly
on a 5 m high inclined plane from its bottom
to its top. During this motion, 4.1 kJ work
was done by us. The pulling force is parallel
to the surface of the inclined plane. After we
reach the top of the inclined plane, we release
the box. What is the speed of the box when
it reaches the bottom of the inclined plane?
Neglect air drag.
Transcribed Image Text:P4 The 50 kg-mass box is pulled up slowly on a 5 m high inclined plane from its bottom to its top. During this motion, 4.1 kJ work was done by us. The pulling force is parallel to the surface of the inclined plane. After we reach the top of the inclined plane, we release the box. What is the speed of the box when it reaches the bottom of the inclined plane? Neglect air drag.
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