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Question

An exceptional standing jump would raise a person $0.80 \mathrm{~m}$ off the ground. To do this, what force must a $68-\mathrm{kg}$ person exert against the ground? Assume the person crouches a distance of $0.20 \mathrm{~m}$ prior to jumping, and thus the upward force has this distance to act over before he leaves the ground.

Solution

VerifiedAnswered 1 year ago

Answered 1 year ago

Step 1

1 of 9Let's write the known quantities as follows:

- $m = 68\;\mathrm{kg}$
- $h_2 = 0.80\;\mathrm{m}$
- $h_1 = 0.20\;\mathrm{m}$

Our goal is to calculate the force that needs to be exerted on the person in order to perform the described jump.

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