Velocities of the balls after the collision
A 4.0 kg ball with a velocity of 7 m/s in the -x direction collides head on elastically with a stationary 6.0 kg ball. What are the velocities of the balls after the collision?
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Suppose the opening in the tank shown below is a height h1 above the base and the liquid surface is a height h2 above the base. The tank rests on level ground.
The federal government was taking property near Roanoke, Virginia, for public purposes. The government proposed to pay the Tobiases for the property because they were the title holders of record.
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A student pulls a rolling book bag by its handle. If the force used is 10 N and the handle makes an angle of 30 degrees to the horizontal, what is the work done by the pulling force after the student walks 100 m?
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