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Physics, 04.08.2019 13:00 Wintersavannah
Which statement would be the best evidence that heat transfer through radiation has occurred and why? a) a pan gets hot on a stove. radiation requires molecule to molecule contact. b) on a windy day, you feel colder. this is because more heat is removed from your body. c) at several feet from a fire, you still feel the heat. heat is transferred through the air. d) an oven uses fans to heat up the food inside faster. radiation is the most efficient form of heat transfer.
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An charge with mass m and charge q is emitted from the origin, (x,y)=(0,0). a large, flat screen is located at x=l. there is a target on the screen at y position y(h), where y(h) > 0. in this problem, you will examine two different ways that the charge might hit the target. ignore gravity in this problem. 1.assume that the charge is emitted with velocity v(0) in the positive x direction. between the origin and the screen, the charge travels through a constant electric field pointing in the positive y direction. what should the magnitude e of the electric field be if the charge is to hit the target on the screen? express your answer in terms of m, q, y(h), v(0), and l. 2.now assume that the charge is emitted with velocity v(0) in the positive y direction. between the origin and the screen, the charge travels through a constant electric field pointing in the positive x direction. what should the magnitude e of the electric field be if the charge is to hit the target on the screen? express your answer in terms of m, q, y(h), v(0), and l.
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Which statement would be the best evidence that heat transfer through radiation has occurred and why...
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