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Masja [62]
3 years ago
11

5.

Physics
1 answer:
Alex787 [66]3 years ago
6 0
C. A hammer pushes a nail
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Recall: earth applies _____________ on Earth or equivalently
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The potential energy of a 30N ball on the ground will be zero. With respect to height, h. Potential energy will be calculated like this. P=mgh. So if its on the ground relatively speaking the h=0. Thus inputting into the above formula. P=0.
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