Question

find the initial volocity of
a Car
wich is stopped 10 second by apply
brakes. retardation due to brakes 2.5m/s²
​

Answer 1

Answer:

initial velocity = ?

final velocity=0

time= 10

acceleration=2.5m/s^2

a=v-u/t

-2.5=0-u/10

-2.5=-u/10

- 2.5 *10= -u

-25=-u

25=u