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needhelp83

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b) Calculate the vertical height of Michael Jordan's jump when he attains a hang time of a full 1 s.

a)

t=sqrt(2d/g) =sqrt(2(0.6 m))/9.8 =0.35 s

Hangtime=0.35 s x 2= 0.70 s

b)

d=(1/2)gt2=(1/2)(9.8 m/s2)(1.0 s)2= 4.9 m

Is this correct?