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An electron (mass m = 9.11 ? 10-31 kg) is accelerated in the uniform field E (E = 1.70? 104 N/C) between two parallel charged plates. The separation of the plates is 1.10 cm. The electron is accelerated from rest near the negative plate and passes through a tiny hole in the positive plate.
(a) With what speed does it leave the hole?
What are the final temperatures of water and the aluminum.
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A good quarterback can throw a ball 27 m/s. If we assume that the ball is caught at the same height from which it is thrown, How long is the ball in the air
Two particles are fixed to an x axis: particle 1 of charge q1 = 2.46 x 10-8 C at x = 23.8 cm and particle 2 of charge q2= -4.97q1 at x = 51.1 cm. At what coordinate on the x axis is the electric field produced by the particles equal to zero
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In a darkened room we place a lighted tungsten bulb in a box that has one end covered with tinfoil. If we make a pinhole in the tinfoil, an image of filament appears on a screen facing the tinfoil.
At the beginning of a dive, a diver is in the layout position with an angular velocity of 100°/s and a moment of inertia of 15 kg·m2. What is the diver's moment of inertia in the tuck position
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