Question

Given:
In the following figure m1 = 20.0 kg and α = 50.2 ∘. The coefficient of kinetic friction between the block and the incline is μk = 0.40.(Figure 1)

Asked:
What must be the mass m2 of the hanging block if it is to descend 9.50 m in the first 3.00 s after the system is released from rest?

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