The law of conservation of linear momentum will allow you to solve this problem. They apparently want you to assume that the 15 kg body is initially stationary.
M1*V1 = (M1 + M2)*V2
M1 = 10 kg
M2 = 15 kg
V1 = 30 m/s
Solve for V2.
A body of mass 10kg moving with velocity 30m/s collide with another body of mass 15kg.If the velocity of both the body are same after collision.Then find their common velocity.
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star mark stands for what
* means multiplication (x)
10*30=(10+15)*V2
300/25 =25V2/25
V2=12m/s
300/25 =25V2/25
V2=12m/s
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