Example problem 28 - Work and energy - Dynamics - Classical mechanics - Physics

Worked example problem on power output and horsepower. You are encouraged to challenge and test your knowledge by first attempting the problem and then comparing your answer.

Superman has a mass of 90 kg on earth. His work done against gravity and motion are described by the graphs below. Calculate Superman's instantaneous power output at 1 second in Watts and horsepower (1 hp = 735 W).

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