b) A car of mass 200 kg travelling at 20 m/s crashes into a truck of mass
2000 kg travelling at 2.5 m/s in the same direction as the car. After the
collision the car bounces back at a speed of 5 m/s. Find the speed of
the truck after the impact.
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Answer:
25*25= 625
Explanation:
20= car travel ,bounce of the car =5
20
.5
=25
truck travel =2.5 *10=25
the answer= 25*25=625 speed of truck
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