Physics, asked by warrior12, 1 year ago

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

Answers

Answered by sanya55
29
Hey friend here is your answer,


Given , time - 20 secs
Final velocity V=0
U=?
A=- 2m/s

Using V=U+At

0=U-2*20

U-40=0

Or initial velocity is 40m/s


Hope it helps you

Pls mark brainliest:-))
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