Question

find retardation produced when a car moving at a velocity of 30ms-1 slows down uniformly to 15ms-1 in 5s

Answer 1

Answer:

a= (v-u)/t

= (15-30)/5

= -15/5

= -3 m/s²

Answer 2

Explanation:

u=30m/s

v=15m/s

t=5s

a =(v-u)/t

a =( 15 - 30 )/5

a= -15/5

a= -3m/s^2