Physics, 18.03.2021 06:40 aide12345

As an object slides across a rough horizontal surface, what happens to the object's gravitational potential energy with respect to the surface and speed? (1) Both gravitational potential energy and speed decrease. (2) Gravitational potential energy decreases and speed remains the same. (3) Gravitational potential energy remains the same and speed decreases.
(4) Both gravitational potential energy and speed remain the same.

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As an object slides across a rough horizontal surface, what happens to the object's gravitational po...