a heavy car of mass2000kg travelling at 10m/s has a head. on collision with a car of mass 500kg if both cars stops dead on collission .what was the velocity of second car?
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Law of conservation of momentum
M1×V1 = M2 × V2
2000× 10 = 500×V2
V2 = 4×10 = 40 m/s
M1×V1 = M2 × V2
2000× 10 = 500×V2
V2 = 4×10 = 40 m/s
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