Question

8. A car starts from rest and moves with constant
acceleration of 4 m/s2 for 30 seconds. Then the
brakes are applied and the car comes to rest in
another 60 seconds. Find [5]
(i) Maximum velocity attained by car
(ii) Magnitude of retardation of car
(iii) Total distance covered by car
(iv) Average speed of car through out the motion

Answer 1

Explanation:

use the newton's laws of motion formula u get urs answer perfectly