Science, asked by dhruvporwal73, 7 months ago

A moving train is brought to rest within 20 seconds by applying brakes. Find the initial velocity if the retardation due to brakes is 2m/s2

Answers

Answered by parisbabu79

1

Explanation:

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Answered by shimla9645

0

Explanation:

v=0,a=-2m/s^2,t=20sec.

-u=at-v

-u= -2*20-0

u=40m/sec

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