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What is the velocity of an object dropped from a height of 190 m when it hits the ground?

Guest Jul 22, 2017
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What is the velocity of an object dropped from a height of 190 m when it hits the ground?

 

u=0

v=?

a=9.8m/s^2

t=?

s=190m

 

v=u+at

s=ut+0.5at^2

v^2=u^2+2as

 

using the last formua

 

v^2=0+2*9.8*190

v^2=3724

v=61m/s

Melody  Jul 24, 2017

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