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AP Physics C Mechanics Flashcards: Power

Study Power in AP Physics C Mechanics with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

What is the power developed by a turbine producing 400 J in 4 s?

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ANSWER

100 W. P=E/t=400/4=100P = E/t = 400/4 = 100 W.

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AP Physics C Mechanics: Work, Energy, and Power

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What this deck covers

This deck focuses on Power, giving you a quick way to review the definitions, rules, and examples that matter most for AP Physics C Mechanics.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 10Practice questions for this set
A 90 kg load is lifted 6.0 m using an ideal block-and-tackle with mechanical advantage 2, so the rope tension is T=mg2T=\tfrac{mg}{2} while the load rises at constant speed. Because two rope segments support the load, the free end of the rope must be pulled 12 m to raise the load 6.0 m. The pull takes 8.0 s, and friction is negligible. Use g=9.8 m/s2g=9.8\,\text{m/s}^2. In the given system, what is the average power output of the system described?
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