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Which graph best represents the relationship between the electric current and the rate at which a magnet is turning inside an electric generator?

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground

Alarge cruise ship of mass 7.00 ✕ 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?