Physics, 18.02.2020 05:53 Trinhphuongtran
Does the light bulb filament appear to have a constant resistance (constant ratio of voltage to current)?
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Which situation will produce the greatest change of momentum
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Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.
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Which system of units is used by only a small number of countries in the world, including the u.s.
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Abeam of electrons moves at right angles to a magnetic field of 4.5 Ă— 10-2 tesla. if the electrons have a velocity of 6.5 Ă— 106 meters/second, what is the force acting on the electrons? the value of q = -1.6 Ă— 10-19 coulombs.
Answers: 2
Does the light bulb filament appear to have a constant resistance (constant ratio of voltage to curr...
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