Need help fast with physicis

Physics
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A star student is capable of jumping to a height of 2.62 m. Determine the takeoff speed of the star student. 

Apr 7th, 2015

a = -9.8 m/s2

vf = 0 m/s

d = 2.62 m

Find:

vi = ?? vf2 = vi2 + 2*a*d

(0 m/s)2 = vi2 + 2*(-9.8 m/s2)*(2.62 m)

0 m2/s2 = vi2 - 51.35 m2/s2

51.35 m2/s2 = vi2

vi = 7.17 m/s


Apr 7th, 2015

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