Math, asked by asssemyemen7667, 1 year ago

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

Answers

Answered by Anonymous

2

v=u+at here a=-2
0=u-2(20)
u=40m/s

Answered by Anonymous

3

ᴠ=ᴜ+ᴀᴛ ʜᴇʀᴇ ᴀ=-2
0=ᴜ-2(20)
ᴜ=40ᴍ/s

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