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Problem

Air temperature in the Sahara Desert can reach $5…

01:36

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Sri Datta Vikas B.

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Problem 1 Problem 2 Problem 3 Problem 4 Problem 5 Problem 6 Problem 7 Problem 8 Problem 9 Problem 10 Problem 11 Problem 12 Problem 13 Problem 14 Problem 15 Problem 16 Problem 17 Problem 18 Problem 19 Problem 20 Problem 21 Problem 22 Problem 23 Problem 24 Problem 25 Problem 26 Problem 27 Problem 28 Problem 29 Problem 30 Problem 31 Problem 32 Problem 33 Problem 34 Problem 35 Problem 36 Problem 37 Problem 38 Problem 39 Problem 40 Problem 41 Problem 42 Problem 43 Problem 44 Problem 45 Problem 46 Problem 47 Problem 48 Problem 49 Problem 50 Problem 51 Problem 52 Problem 53 Problem 54 Problem 55 Problem 56 Problem 57 Problem 58 Problem 59 Problem 60 Problem 61 Problem 62 Problem 63 Problem 64 Problem 65 Problem 66 Problem 67 Problem 68 Problem 69 Problem 70 Problem 71 Problem 72 Problem 73 Problem 74 Problem 75 Problem 76 Problem 77 Problem 78 Problem 79 Problem 80 Problem 81 Problem 82 Problem 83 Problem 84

Problem 5 Easy Difficulty

Show that the speed of sound in $20.0^{\circ} \mathrm{C}$ air is $343 \mathrm{m} / \mathrm{s},$ as claimed in the text.

Answer

See solution.

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Video Transcript

so we know that the speed off some in a zero degree Celsius is 3 31 meter per second from this will simply use our problem. The speed of sound is 3 31 times square. Root off P bye 2 73 Calvin with the meter per second now at 20 degrees. Since she is, we use this formula 3 31 meter per second times squared off. Our temperature is to 73 plus 20. So that's 193 Kelvin divided by 2 73 Kelvin. And when you plug this into a calculator, it turns out to be 343 meter per second, just as we had expected.

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Problem

Air temperature in the Sahara Desert can reach $5…

Problem 5 Easy Difficulty

Show that the speed of sound in $20.0^{\circ} \mathrm{C}$ air is $343 \mathrm{m} / \mathrm{s},$ as claimed in the text.

Answer