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Q. A 3.85 multiplied by 102g glass coffee cup is at room temperature, 20°C. It is then plunged into hot dishwater, 80.0°C. If the temperature of cup reaches that of the dishwater, how much heat does the cup absorb? Suppose the mass of the dishwater is large enough so its temperature doesn't change considerably.

Q. How much work did movers do (horizontally) pushing a 140{rm kg} crate 10.60 m across a rough floor without acceleration, if the effective coefficient of friction was 0.700?

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