misstaejailicious200
13.02.2020 •
Physics
A child holds a ball of mass m a distance h above the ground. Check all of the following statements that describe potential energy correctly in this case. (Assume potential energy is zero when the ball is on the ground.)
1. The ball alone has potential energy mgh.
2. The system of the earth and the ball together have potential energy mgh
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Ответ:
You want it to sink?
Of course u dont want to