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Arte-miy333 [17]
4 years ago
13

Why does a rock not visibly vibrate?

Physics
1 answer:
eimsori [14]4 years ago
8 0
Because it is really hard and rocks can't be visible or vibrate
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Suppose you want to use this human engine to lift a 2.35 kg box from the floor to a tabletop 1.30 m above the floor. How much mu
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Answer:

The increase in the gravitational potential energy is 29.93 joules.

Explanation:

Given that,

Mass of the box, m = 2.35 kg

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Answer plz also give reason
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See this suggested solution.

1. Let a force F' is the vector sum of the forces P and Q, then it is shown on the attached picture and marked with red color.

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