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Author Question: How does the velocity of sound in air vary with the air ... (Read 35 times)

c0205847

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on: Jul 28, 2018
How does the velocity of sound in air vary with the air temperature?

Question 2

An electron in an x-ray machine is accelerated through a potential difference of 1.00  104 V before it hits the target. What is the kinetic energy of the electron in electron volts?
  1.1.00  104 eV
  2.1.60  10-15 eV
  3.1.60  10-22 eV
  4.6.25  1022 eV
  5.1.60  10-19 eV


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nanny

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Reply #1 on: Jul 28, 2018
Answer to Question 1

The velocity of sound in air increases with an increase in the air temperature by about
0.6 m/s for each Celsius degree the temperature rises.

Answer to Question 2

1


c0205847

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Reply 2 on: Jul 28, 2018
Gracias!

nguyenhoanhat

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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