Question

12. A car of mass 480 kg moving
of mass 480 kg moving at a speed of 54 km/h stopped by applying brakes in 10 s. Calculate
the force applied by the brakes.
​

Answer 1

Answer:

❤haye here is your answer

Explanation:

M= 480 kg

u= 54km/hr×5/18= 15m/s

v=0

t=10s

Force= kma

=k (m (v-u))/t (k's value is 1)

=1(480 (-15)/10)

=48*-15= -720kgm/s^2

= -720N

Thank you ✌✌❤

Answer 2

Answer:

54km/hr=15m/s

acceleration=15/10 m/s=1.5 m/s

force= 480×1.5 =720 N