Question

When a body vertically projected with 200m/s. then velocity of body at490m
bobpursley
Wondering if the vertical velocity is only a Launch velocity...

final KE+finalPE=initial KE
1/2 m vf^2 +mg(490)=1/2 m 200^2
solve for vf

VF=sqrt(200^2-2*9.8*490)

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