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Grade: 11
        
How do we show that in the case of one dimensional elastic collision, the relative velocity of approach of 2 colliding bodies before collision is equal to the relative velocity of separation after collision?
2 years ago

Answers : (1)

Abishai M
30 Points
							By using energy equation (1/2)m1v1^2+(1/2)m2v2^2=(1/2)m1v1`^2+(1/2)m2v2`^2We get v1-v2=v2`-v1`Where v1 and v2 are the velocities of m1 and m2 respectivelyAlso for elastic collision coefficient of restitution is 1 hence we get the above separationV1` and v2` are velocities after collision of m1 and m2 respectively
						
2 years ago
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