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Author Question: The far side of the Moon a. has never been seen. b. has more craters than the near side. c. looks ... (Read 67 times)

JGIBBSON

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on: Jul 29, 2018
The far side of the Moon
 a. has never been seen.
  b. has more craters than the near side.
  c. looks just like the near side.
  d. is always dark.

Question 2

For total internal reflection, light is ______________ and none is ______________.
 a. reflected, refracted
  b. refracted; transmitted
  c. transmitted, refracted
  d. transmitted; reflected

Question 3

Find the momentum and speed of a proton whose kinetic energy equals its rest energy. (The mass of a proton is 938.3 MeV/c2).

Question 4

The diameter of the Moon is approximately
 a. 800 mi.
  b. 239,000 mi.
  c. 93,000,000 mi.
  d. 2200 mi.

Question 5

For total internal reflection, light is ______________ and none is ______________.
 a. refracted; reflected
  b. refracted; transmitted
  c. reflected; transmitted
  d. transmitted; reflected

Question 6

In a color television tube, electrons are accelerated through a potential difference of 20000 volts. With what velocity do the electrons strike the screen?


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Dnite

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Reply #1 on: Jul 29, 2018
Answer to Question 1

b

Answer to Question 2

a

Answer to Question 3

1625 MeV/c, 0.866 0 c

Answer to Question 4

d

Answer to Question 5

c

Answer to Question 6

v = 0.27c


JGIBBSON

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  • Posts: 538
Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

softEldritch

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  • Posts: 334
Reply 3 on: Yesterday
Excellent

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