In Fig. P5.74, m1 = 20.0 kg and a = 53.1. The coefficient
Chapter 5, Problem 5.74(choose chapter or problem)
In Fig. P5.74, \(m_{1}=20.0 \mathrm{\ kg}\) and \(\alpha=53.1^{\circ}\). The coefficient of kinetic friction between the block of mass \(m_{1}\) and the incline is \(\mu_{\mathrm{k}}=0.40\). What must be the mass \(m_{2}\) of the hanging block if it is to descend 12.0 m in the first 3.00 s after the system is released from rest?
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