Question

6. Acar is moving with velocity 54 km/hr. What is its veloc-
ity in m s-l? On applying brakes the car comes to halt
in next 5 m. What is the retardation of the car and how
much is the braking time?​

Answer 1

Answer:

v=15 m/s and a=-22.5m/s^2 and t=10÷15 s