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A window air-conditioner unit absorbs 9.75×10^4J of heat per minute from the room being cooled and in the same period deposits 1.46×10^5J of heat into the outside air.
Part A What is the power consumption of the unit in watts?
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What is the (magnitude of the) velocity of a rollercoaster at the bottom of a track that is 89.8 m high if it starts from rest? (Use the value g = 9.8 m/s2 for the acceleration of gravity.) Please provide work to explain
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