Question

A toy car initially moving with a uniform velocity of 18 km/hr comes to a stop in 2 sec .Find the Retardation of the car .(with process help me out plz)

Answer 1

We have,
u = 18km/h (5m/s)
t=2sec
v=0

So,
retardation = (v-u)/t

(0-5)/2
-5/2
retardation = -2.5m/s²

Thanks!