Problem based on tug-of-war
During a tug-of-war, team A pulls on team B by applying a force of 1150 N to the rope between them. How much work does team A do if they pull team B toward them a distance of 2.55 m?
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Determine the distance from the surface of the earth to the surface of the moon.
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If the observer knows his/her speed is 25.0 m/s and the temperature is 30°C, and hears a frequency of 450.0 Hz, what is the frequency heard by the source. (Please provide calculations to compare)
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