Physics, 28.09.2019 22:30 animaljamissofab
Aray of light is moving from a material having a high index of refraction into a material with a lower index of refraction.(a) is the ray bent toward the normal or away from it? toward the normalaway from the normal (b) if the wavelength is 600 nm in the material with the high index of refraction, is it greater, smaller, or the same in the material with the lower index of refraction? greatersmaller the same(c) how does the frequency change as the light moves between the two materials? does it increase, decrease, or remain the same? increasedecreaseremain the same
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Physics, 22.06.2019 12:30
What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery
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Physics, 22.06.2019 16:50
Aresistor with an unknown resistance is connected in parallel to a 9 ω resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ω.
Answers: 3
Physics, 22.06.2019 20:30
Aball is thrown from the top of a building with an initial velocity of 21.9 m/s straight upward, at an initial height of 51.6 m above the ground. the ball just misses the edge of the roof on its way down, as shown in the figure. (a) determine the time needed for the ball to reach its maximum height. (b) determine the maximum height. (c) determine the time needed for the ball to return to the height from which it was thrown, and the velocity of the ball at that instant. (d) determine the time needed for the ball to reach the ground. (e) determine the velocity and position of the ball at t = 5.35 s.
Answers: 1
Aray of light is moving from a material having a high index of refraction into a material with a low...
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