Question
a car is moving in a straight line with speed 5 m/s . it is stopped in 5s by applying the brakes . find : (i) the retardation
(ii) the speed of car after 2s of applying the brakes
(ii) the speed of car after 2s of applying the brakes
Answers
Steve
the speed drops by 1m/s each second, so
a = -1m/s^2
a = -1m/s^2