Physics, 20.05.2021 09:40 savannahvargas512
The angle at which light hits a surface (angle of incidence) and the angle at which it is reflected away (angle of reflection) are .
always greater than 90 degrees.
always the same
always negative
always opposite
Answers: 3
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You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.
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Aphoton is absorbed by an electron that is in the n = 3 state of a hydrogen atom, causing the hydrogen atom to become ionized. very far away from the nucleus, the released electron has a velocity of 750,000 m/s. what was the wavelength of the absorbed photon?
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Answers: 2
The angle at which light hits a surface (angle of incidence) and the angle at which it is reflected...
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