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Mathematics, 23.04.2020 02:13 shadowsnake
Alexa is pushing a construction barrel up a ramp 4 feet long into the back of a truck. She is using a force of 120 pounds in a horizontal direction and the ramp is 45 degrees from the horizontal. How much work is Alexa doing?
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Alexa is pushing a construction barrel up a ramp 4 feet long into the back of a truck. She is using...
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