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MkaylaasJoie
MkaylaasJoie MkaylaasJoie
  • 17-12-2015
  • Physics
Answered

Calculate the height from which a body is released from rest if its velocity just before hitting the ground is 30ms

Verified Answer :

danyaal99
danyaal99 danyaal99
  • 17-12-2015

S= ?
U= 0 \(ms^{-1}\)
V= 30 \(ms^{-1}\)
A= 9.8 \(ms^{-2}\)
T= 

\(V^2 = U^2 + 2AS\)
\(900 = 19.6S\)
\(\frac{900}{19.6} = S\)
S = 45.92 \(m\)

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