Asked by Anonymous
Mr.FIsher can kick a 2 kg football upwards at 20m/s, how high does the football travel?
Answers
Answered by
bobpursley
take the initial KEnergy, set it equal to the maximum gravitational potential energy gained.
1/2 m v^2=mgh
or height= 1/2 v^2/g
1/2 m v^2=mgh
or height= 1/2 v^2/g
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