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ionitacodrut
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A motor boat of mass m moves on the surface of a lake at a speed0v. At the moment 0t= the engine is shut down. Assuming the resistance of water to be proportional to the speed of the boat, F=−rv, find
a) the time interval after which the boat stops;
b) the speed of the boat as a function of the distance covered with the shutdown engine.
I have tried using the kinetic variation law but can' exactly figure out the work done by F
a) the time interval after which the boat stops;
b) the speed of the boat as a function of the distance covered with the shutdown engine.
I have tried using the kinetic variation law but can' exactly figure out the work done by F
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