Asked by TNT
A rock is thrown downward from an unknown height above the ground with an initial speed of 10m/s. It strikes the ground 3s later. Determine the initial height of the rock above the ground.
Answers
Answered by
bobpursley
hf=Ho-vo*t-4.9t^2
vo= -10m/s
hf=0
solve for Ho
vo= -10m/s
hf=0
solve for Ho
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