A .500 kilogram cart traveling to the right of a horizontal frictionless surface at 2.20 meters per second collides head on with a .800 kilogram cart moving to the left at 1.10 meters per second. what is the magnitude of the totak momentum of the twi cart systemafter the collision?
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Acatapult is tested by roman legionnaires. they tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units): range = 0.4 km; angle of launch = Ο/5 rad; landing height = launch height. what is the initial velocity of launch of the boulders if air resistance is negligible?
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An electric current in a wire will push or pull on a permanent magnet. which statement best explains how an electric current creates an electromagnetic force on another magnet?
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A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.
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A .500 kilogram cart traveling to the right of a horizontal frictionless surface at 2.20 meters per...
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