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Author Question: A light beam in air travels at 2.99 108 meters per second. ... (Read 149 times)

kwoodring

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on: Feb 28, 2021
Solve the problem using Snell's Law: = .

A light beam in air travels at 2.99 × 108 meters per second. If its angle of incidence to a second medium is 81° and its angle of refraction in the second medium is 71°, what is its speed in the second medium (to two decimal places)?
◦ 2.86 × 108 mps
◦ 2.95 × 108 mps
◦ 2.83 × 108 mps
◦ 3.12 × 108 mps
Precalculus ¦ Sullivan ¦ 10th Edition
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Marked as best answer by kwoodring on Feb 28, 2021

jgranad15

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Reply #1 on: Feb 28, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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kwoodring

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Reply 2 on: Feb 28, 2021
Excellent

daiying98

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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