Asked by Fonda
A 1 kg object requires 10 N of force to lift it 5 m from the bottom of a well. (use g = 10 m/s2)
What is the kinetic energy when the object has fallen halfway down the well (2.5m)?
What is the kinetic energy when the object has fallen halfway down the well (2.5m)?
Answers
Answered by
bobpursley
PEchange=KE change
mgh-mg(h/2)=KE
solve for KE
mgh-mg(h/2)=KE
solve for KE
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