APU SCIN133 Week 3 Quiz

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Question 9 of 32 When a light bulb is rated at 60 W, it means that A. the bulb loses 60 W of potential energy each second. B. the bulb uses 60 J of power when it is lit. C. current is traveling at... 60 m/s through the filament. D. each second, the bulb converts 60 J of electrical energy to heat and light. Answer Key: D Feedback: Power is workper unit of time. Question 10 of 32 What two factors determine how much gravitational potential energy is in an object? A. Shape of the object and its position relative to the ground. B. Weight of the object and height above the ground. C. Shape and speed of the object. D. Weight and speed of the object. Answer Key: B Feedback: Correct! [Show More]

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