Physics, 06.03.2020 07:56 lolsmaster3951
Newton's Law of Cooling states that the temperature of an object changes at a rate proportional to the difference between its temperature and that of its surroundings (the ambient temperature). If we measure temperature in degrees Celsius and time in minutes, the constant of proportionality k equal 0.5. Suppose the ambient temperature TA(t) is equal to a constant 95 degrees Celsius. Write the differential equation that describes the time evolution of the temperature T of the object.
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Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.
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Physics, 22.06.2019 16:00
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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Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.
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Physics, 22.06.2019 21:00
The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.
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Newton's Law of Cooling states that the temperature of an object changes at a rate proportional to t...
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