If it takes 35 s for the 50-Mg tugboat to increase its
Chapter 15, Problem 15-21(choose chapter or problem)
If it takes 35 s for the 50-Mg tugboat to increase its speed uniformly to 25 km>h, starting from rest, determine the force of the rope on the tugboat. The propeller provides the propulsion force F which gives the tugboat forward motion, whereas the barge moves freely. Also, determine F acting on the tugboat. The barge has a mass of 75 Mg.
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