Find the boats average speed

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Q. A 3.85 102 g glass coffee cup is at room temperature, 20.0°C. It is then plunged into hot dishwater, 82.0°C. If the temperature of the cup reaches that of the dishwater, how much heat does the cup absorb? Assume the mass of the dishwater is large enough so its temperature doesn't change appreciably.

Q. Starting from rest a boat increases its speed to 4.17 m/s with constant acceleration. What is the boats average speed? If it takes the boat 4.7 s to reach this speed, how far has it travelled?

Reference no: EM1363875

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