Question

A driver decrease the speed of a car from 25m/s to 10m/s in 5second. Find the acceleration of car

Answer 1

answer is 2m/s by applying a formula a=v÷twe get answer 2m/s

Answer 2

a=v-u/t
initial speed is 25m/s

final speed is 10m/s

time is 5sec
so,

a=25-10/5

3 m/sec square