15th sum plz

Asked by lovemaan5500 | 16th Dec, 2019, 09:36: PM

Expert Answer:

By integrating eqn.(1), we get

...........................(2)

where C is constant of integration

We are given the intial condition, at t= 0, v = 0

hence C = ln( g cosα )

Then eqn.(2) becomes

 

Answered by Thiyagarajan K | 17th Dec, 2019, 02:40: PM

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