a car is being driven at a speed of 20 MS power -1 when brakes are applied to bring it - Physics - Motion

Question

a car is being driven at a speed of 20 MS power -1 when brakes are
applied to bring it to rest in 5 seconds the acceleration produced
in this case will be what

Sakshi Kanwar · Accepted Answer

Dear Student
Initial speed=20ms-1time=5secFinal speed=0v=u-at (- sign because the velocity is decreasing)u=ata=20/5=4ms-2REGARDS

a car is being driven at a speed of 20 MS power -1 when brakes are applied to bring it to rest in 5 seconds the acceleration produced in this case will be what