Question

A 1200 kg car travelling with a speed of 25 m/s in
an easterly direction crashes into the rear end of a
9000 kg truck moving in the same direction at 20
m/s. The velocity of the car right after the collision
is 18 m/s to the east. (a) What is the velocity of
the truck right after the collision? (b) How much
mechanical energy is lost in the collision? Account
for this loss in energy.​

Answer 1

Answer:

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