Asked by kyla
a rock is dropped off a cliff. after 4s, what is the rocks velocity? how far did the rock fall?
Answers
Answered by
Henry
1. Vf = Vo + gt,
Vf = 0 + 9.8*4 = 39.2m/s.
2. d = Vo*t + 0.5g*t^2,
d = 0 + 4.9*4^2 = 78.4m.
Vf = 0 + 9.8*4 = 39.2m/s.
2. d = Vo*t + 0.5g*t^2,
d = 0 + 4.9*4^2 = 78.4m.
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