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Q. How many 110 W lightbulbs can you use in a 122 V circuit without tripping a 17 A circuit breaker? (The bulbs are connected in parallel, which means that the potential difference across each lightbulb is 122 V.)

Q. A fan rotating at 20 rpm slows down with a constant acceleration and comes to a stop in a time of 4.7 s. What is its angular displacement in this time? Give your answer in radians, do not enter units.

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