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An object moves from the position +34m to the position -15m in 15 seconds. what is it's total displacement? what is it's average velocity?
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Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.
Answers: 1
To determine an athlete's body fat, she is weighed first in air and then again while she's completel...
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