Physics, 25.01.2020 05:31 bbyitskeke7160
A. a beam of light is incident from air on the surface of a liquid. if the angle of incidence is 26.7° and the angle of refraction is 18.3°, find the critical angle for the liquid when surrounded by air? b. a light ray, traveling in air, strikes the surface of abeaker of mineral oil at an angle of 37.5° with thenormal to the surface. the speed of light in mineral oil is 2.17 x10^8 m/s.. calculate the angle of refraction.
Answers: 3
Physics, 21.06.2019 16:00
Apiano tuner uses a tuner to create a tone of 5.00 x 10² hz. when a key on the piano is struck he hears 5 beats per second. what is a possible frequency of vibration for the piano string? 2500 hz 1300 hz 605 hz 495 hz
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Physics, 22.06.2019 09:00
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
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Physics, 22.06.2019 19:30
Which describes increasing the efficiency of energy resource
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A. a beam of light is incident from air on the surface of a liquid. if the angle of incidence is 26....
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