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Author Question: A spaceship approaches the earth with a speed 0.50c. A passenger in the spaceship measures his ... (Read 116 times)

rlane42

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on: Jul 29, 2018
A spaceship approaches the earth with a speed 0.50c. A passenger in the spaceship measures his heartbeat as 70 beats per minute. What is his heartbeat rate according to an observer that is at rest relative to the earth?
 
  A) 69 beats per minute
  B) 73 beats per minute
  C) 65 beats per minute
  D) 61 beats per minute
  E) 80 beats per minute

Question 2

Which one has the largest range of possibilities or quantum uncertainty range?
 
  A) proton
  B) electron
  C) dust grain
  D) helium atom
  E) water molecule


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steff9894

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

D

Answer to Question 2

B


rlane42

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

shailee

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

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