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Q. The current through the battery and resistors 1 and 2 (a) is 2.00 A. Energy is transferred from the current to thermal energy Eth in both resistors. Curves 1 and 2 in Figure (b) give that thermal energy Eth for resistors 1 and 2, respectively, as a function of time t. The vertical scale is set by Eth,s = 40.0 mJ, and the horizontal scale is set by ts = 5.00 s. What is the power of the battery?

Q. Pulling down on a rope, you lift a 4.49 kg bucket of water from a well with an acceleration of 1.50 m/s2. What is the tension in the rope?

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