Question

Find initial velocity of a car which is stopped in 10 seconds by applying brakes tradition due to break is 2.5 metre per second square

Answer 1

$v = u + at$

V=0

a=-2.5

t=10

U=25m/s

Answer 2

here we use equation
v= u+at
where , v = 0 , a= -2.5 and t = 10
we get u = 25 m/s