Please solve question 11. Momentum is product
Momentum — Masq •
A car of mass 480 kg moving at a speed
54 km h-l is stopped by applying brakes in
10 s. Calculate the force applied by the brakes
Ans. 720 N
12. A bullet of mass 50 g moving with an initial
velocity of 100 m s-l, strikes a wooden block
and comes to rest after penetrating a distance
2 cm in it. Calculate : (i) initial momentum of
In
by
