Asked by Petrik

An athlete on a trampoline leaps straight up into the air with an initial speed of 9.3 m/s. Find the following:

(b) the speed of the athlete when she is halfway up to her maximum height

Answers

Answered by bobpursley
halfway up used up half the energy.

1/2 mv^2= 1/2 energy

so v= sqrt 1/2 of original speed.
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