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SSSSS [86.1K]
3 years ago
13

For the following questions, imagine the book drops in free fall and falls a distance d. For the system of the book and earth, t

he change in total energy of the system if the book falls a distance d _______.(A) is positive.(B) is negative.(C) is zero.(D) has a sign which cannot be determined.
Physics
1 answer:
alukav5142 [94]3 years ago
8 0

Answer:

C) is zero

Explanation:

According to the law of energy conservation, the total mechanical energy of the object is conserved. A book falling a distance d would have a change in potential energy, resulting in the same change in kinetic energy. But the total mechanical energy must be the same. So there's 0 change in total energy of the system.

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