Numericals
1. Two objects each of mass 2.5 kg are moving in the
same straight line but in opposite direction. The
velocity of each object is 4 ms before collision during
which they stuck together. Find the relocity of
combination after collision
2. A truck is moving with a velocity of 36 km/h and it
takes 8 s to stop after the brakes are applied
Calculate the force exerted by brakes. Mass of truck
is 2200 kg
3. A car of mass 450 kg is moving with a speed
20 ms-' while a scooter of mass 35 kg is moving
with a speed of 80 ms-'. Compare their
momentums. Which vehicle will required more
force to stop it in the same interval of time?
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