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Using the work energy theorem. what is the velocity of a 850kg car after starting at rest when 13,000j of work is done to it.
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Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?
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The force needed to overcome static friction is usually less than that needed to overcome kinetic friction.true or false?
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Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?
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In the photoelectric effect experiment, current flows when the light frequency is:...
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