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PhysicsQ&A LibraryIn Figure, block A (mass 0.8 kg) slides into block B (mass 1.2 kg), along a frictionless surface.The directions of three velocities before (i) and after (f) the collision are indicated in the figure; the corresponding speeds are vAI=1.9 m/s, VBi 4.9 m/s, and vBr 2.5 m/s.What are the (a) magnitude and (b) direction (left or right) of velocity VAr? (c) Calculate the total kinetic energy of the system before and after the collision. Is the collision elastic?Start your trial now! First week only $4.99!*arrow_forward*

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