Excellent human jumpers can leap straight up to a height

fanyattehedzg

fanyattehedzg

Answered question

2022-01-10

Excellent human jumpers can leap straight up to a height of 110 cm off the ground. To reach this height, with what speed would a person need to leave the ground?

Answer & Explanation

Stella Calderon

Stella Calderon

Beginner2022-01-11Added 35 answers

At maximum height 110\ cm the speed of the jumper will be zero
Consider the kinematic equation,
vf2=v02+2ah
=v022gh
v0=2gh (1)
Substitute the values in equation to find the initial velocity.
u=2(9.8 ms2)(110×102)
=4.64 ms

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