( ignore air resistance and gravity )
During a flood a tree truck of mass 100 kg falls down a waterfall. The waterfall is 5 m
high. Calculate..
a) the potential energy of the tree trunk at the top of the waterfall.
b) the kinetic energy of the tree trunk at the bottom of the waterfall.
c) the velocity of the tree trunk at the bottom of the waterfall.
Answers: 1
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( ignore air resistance and gravity )
During a flood a tree truck of mass 100 kg falls down a water...
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