Physics, asked by ananthmariswamy2605, 1 year ago

Find the initial speed of a car that is stopped in 20 s by applying brakes. The retardation due to brakes is 1.5 m/s

Answers

Answered by samijit

3

v=u+at
v=0
u=?
a=-1.5m/s^2
t=20sec

0=u-30
u=30m/s

ac1485: use v=u=at formula and u should be good

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