Question: solve the problem Figure 8.2 m M m M before after A block of mass m = 4.4 kg, moving on frictionless surface with a

solve the problem

Figure 8.2 m M m M before after A block of mass m = 4.4 kg, moving on frictionless surface with a speed vi =9.2m/s, makes a perfectly elastic collision with a block of mass M at rest. After the collision, the 4.4 kg block recoils with a speed of vy =2.5m/s. In Figure 8.2, the mass M is closest to: O 21 kg 0 7.7 kg O 4.4 kg 5.6 kg O 12 kg

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