Question

12) A car moving with velocity of 30 m/s is
brought to rest in 15 s. Calculate its
acceleration.​

Answer 1

Explanation:

Initial velocity u = 30 m/s

Final velocity v = 0 m/s

Time taken = 15 s

Therefore, Acceleration = v-u/t

= (0-30/15) m/s

= -30/15 m/s

= -2 m/s