Thank you so much for all the help!
3) The mass m1 in the figure shown is released from rest. Find the speed of mass m1 after it has fallen a distance of 0.5 meters. Use the following values: m1= 15 kg, m2 = 5 kg, and M = 7 kg. The coefficient of friction between the block and the surface is uk= 0.7. The pulley can be treated as a uniform disk with radius r= 4 cm.
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