Question

3. A car of mass 1200 kg is brought to rest from a speed of 60 ms-1 by a constant retarding force of 6000 N.
Find the retardation and the time in which the car comes to rest.​

Answer 1

Explanation:

f= ma

given m=1200

u=60m/s

f=-6000

-6000= 1200×(-60/t)

then t=12