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Author Question: A proton has a total energy of 2.5 10-10 J. How fast is it moving? (M = 1.67 10-27 kg) a. 0.90 c ... (Read 97 times)

mmm

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on: Jul 28, 2018
A proton has a total energy of 2.5  10-10 J. How fast is it moving? (M = 1.67  10-27 kg)
 a. 0.90 c
  b. 0.80 c
  c. 0.70 c
  d. 0.60 c
  e. 0.40 c

Question 2

A proton's rest mass is 1.67  10-27 kg. Calculate its kinetic energy when it is accelerated to a speed of 0.80 c.
 a. 1.0  10-10 J
  b. 1.5  10-10 J
  c. -2.0  10-10 J
  d. 2.5  10-10 J
  e. 7.5  10-10 J


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wuly

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

B

Answer to Question 2

A


mmm

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Reply 2 on: Jul 28, 2018
Gracias!

kthug

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Reply 3 on: Yesterday
Excellent

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