Figure 5-49 shows four penguins that are being playfully
Chapter , Problem 54(choose chapter or problem)
Figure 5-49 shows four penguins that are being playfully pulled along very slippery (frictionless) ice by a curator. The masses of three penguins and the tension in two of the cords are m1 " 12 kg, m3 " 15 kg, m4 " 20 kg, T2 " 111 N, and T4 " 222 N. Find the penguin mass m2 that is not given
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