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b) Disk A in Fig B2b has a mass of 2 kg and is sliding forward on the smooth surface with a velocity (%),-5 m/s when it strikes the 4 kg disk B. Disk B is coefficient of restitution between the disks is e0.4, compute the velocities of A and B just after collision. Hint Coefficient of restitution is defined as e where indices 1 and 2 mark velocities before and after impact respectively. Je Fig. B2b [8 marks]

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