Work, Power and EnergyHard
Question
A car of mass 400 kg and travelling at 72 kmph crashes into a truck of mass 4000 kg and travelling at 9 kmph, in the same direction. The car bounces back at a speed of 18 kmph. The speed of the truck after the impact is :-
Options
A.9 kmph
B.18 kmph
C.27 kmph
D.36 kmph
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