The 630-nm light from a helium-neon laser irradiates a grating. The light then falls on a screen where the first bright spot is separated from the central maximum by 0.61 m. Light of another wavelength produces its first bright spot 0.45 m from its central maximum. Determine the second wavelength.
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Physics, 22.06.2019 01:30
Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33
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Physics, 22.06.2019 13:30
Which is not an example of how an object gains elastic potential energy by stretching? a. jumping on a pogo stick b. pulling on a rubber band c. jumping on a trampoline
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Physics, 22.06.2019 14:00
If element x has 99 protons how many electrons does it have
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The 630-nm light from a helium-neon laser irradiates a grating. The light then falls on a screen whe...
Mathematics, 03.12.2019 04:31
Mathematics, 03.12.2019 04:31
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Mathematics, 03.12.2019 04:31
English, 03.12.2019 04:31
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Mathematics, 03.12.2019 04:31
Mathematics, 03.12.2019 04:31
Mathematics, 03.12.2019 04:31
Mathematics, 03.12.2019 04:31