An object(A) of mass 0.2kg strikes a second object (B) of mass 0.35kg that is in

Question

An object(A) of mass 0.2kg strikes a second object (B) of mass 0.35kg that is initially at rest. Mass A has an initial velocity of +3m/s.

A) Assume that the collision is entirely inelastic. calculate the final state for these objects. calculate the total energy for this system before and after the collision. is mechanical energy conserved? if not, account for the discrepancy.

B) now assume that the collision is now entirely elastic. Calculate and describe the final velocities for the two objects A and B. ( the collision is in one dimension)

Explanation / Answer

m1v1 + m2v2 = (m1 + v2)*v3 0.2*3 + 0.35*0 = (0.2 + 0.35)*v3 v3 = 1.09 m/s

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