SCIN 133 (SCIN 133)

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 i...

Question 1 of 32 Work is the rate at which you expend energy. A. True B. False ANS: B