Which situation describes the highest rate of power? A. A weight lifter does 500 joules of work in 1.5 seconds.
B. A weight lifter does 800 joules of work in 0.5 seconds.
C. A weight lifter doch 800 joules of work in 1.5 seconds.
D. A weight lifter does 500 joules of work in 0.5 seconds.

In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 ∘ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30∘ from horizontal. what is the weight of the rider? express your answer with the appropriate units.

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Asystematic approach to problem solving is called a (an)