loveb5395 loveb5395
  • 24-10-2017
  • Physics
contestada

A rock is dropped from the top of a building. after 4 seconds it is moving at 40 m/s. what was the acceleration of the rock

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TheAlpha1
TheAlpha1 TheAlpha1
  • 31-10-2017
its moving 10 m/s every sec.
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