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When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative
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The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is
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Use the profile illustrated for problem (1). assume that the layer of silty sand fill (sm) is placed over the entire site. estimate the thickness of the fill (h - in feet) that will cause the effective vertical stress at the center of the clay layer to increase by 517.5 pounds per square foot.
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Aball is thrown straight up with a velocity of 50 m/s.(use g = -10 m/s^2) a) what is the velocity in...
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