Asked by rakshit

A person can jump to a height of 1.5m on surface of earth. Find the velocity with which he jumps.

Answers

Answered by Steve
well, you know the equation of motion is

h(t) = vt - 4.9t^2
So, h is max at t = v/9.8

So, plug in t=v/9.8 into

vt - 4.9t^2 = 1.5

and solve for v.
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