Suppose a person pushes thumbtack that is 1/5 centimeter long into a bulletin board, and the force (in dynes) exerted when the depth of the thumbtack in the bulletin board is x centimeters is given by f(x) = 1000 (1 + 2x)2 for 0 ≤ x ≤ 1 5 . find the work w done by pushing the thumbtack all the way into the board.
Answers: 3
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Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies. molten iron has a density of 7.0g/cm cubed. in its solid state, iron has a density of 8.0g/cm cubed.
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Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z
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How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35°c to 5°c
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Suppose a person pushes thumbtack that is 1/5 centimeter long into a bulletin board, and the force (...
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