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dimpledimpu100
Group Title
show that time of ascent is equal to time of descent
 one year ago
 one year ago
dimpledimpu100 Group Title
show that time of ascent is equal to time of descent
 one year ago
 one year ago

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VincentLyon.Fr Group TitleBest ResponseYou've already chosen the best response.0
Use energy at a given height to prove that speed is the same on the way up and on the way down.
 one year ago

vikasandy Group TitleBest ResponseYou've already chosen the best response.1
Initially the body is thrown vertically so,\[V=u+at\] the final velocity is Zero as it reaches the max. height So,\[t=u/g\] now the body has reached the max. height.. now the body acts as a freely falling body....\[T=\sqrt{2h/g}\] from \[v ^{2}u ^{2}=2as\]\[H=u ^{2}/2g\] substituting the above in 'T' we get..\[\sqrt{2/g*u ^{2}/2g}\] solving that.... we get\[\sqrt{u ^{2}/g2}\] So\[T=U/g\]....... so time of ascent is equal to time of descent..
 one year ago
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