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Figure 5-52 shows four penguins that are...

Figure 5-52 shows four penguins that are being play-fully pulled along very slippery (frictionless) ice by a curator. The masses of three penguins and the tension in two of the cords are `m_(1)=12" kg",m_(3)=15" kg",m_(4)=20` kg, `T_(2)=111` N, and `T_(4)=222` N. Find the penguin mass `m_(2)` that is not given.

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23 kg
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RESNICK AND HALLIDAY-FORCE AND MOTION - I -PROBLEMS
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