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.
A. Coming out near the South Pole and going in near the North Pole
i’m not 100 percent sure but I need points to ask questions good luck th
Answer:
I think D sorry if I'm wrong
Answer: here are 1,000m in a km, so 200km is 200,000m
200,000m/10m/s = 20,000s
Explanation: