Why is it important for a system of objects to be isolated in order for the law of conservation of energy to apply?
A. The energy of each object in the system must not change.
B. The system must not exchange energy with other systems.
C. Energy must be able to freely move in and out of the system.
D. The type of energy that each object in the system has must always remain the same.
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Alarge cruise ship of mass 7.00 โ 107 kg has a speed of 11.6 m/s at some instant. (a) what is the ship's kinetic energy at this time? (b) how much work is required to stop it? (give the work done on the ship. include the sign of the value in your answer.) (c) what is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.00 km?
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Why is it important for a system of objects to be isolated in order for the law of conservation of e...
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