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Author Question: A spaceship approaches Earth with a speed 0.50c. A passenger in the spaceship measures his heartbeat ... (Read 49 times)

asmith134

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A spaceship approaches 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 Earth?
 
  A) 73 beats per minute
  B) 61 beats per minute
  C) 75 beats per minute
  D) 65 beats per minute
  E) 69 beats per minute

Question 2

A jet plane is launched from a catapult on an aircraft carrier. In 2.0 s it reaches a speed of 42 m/s at the end of the catapult. Assuming the acceleration is constant, how far did it travel during those 2.0 s?
 
  A) 16 m
  B) 24 m
  C) 42 m
  D) 84 m


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Animal_Goddess

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asmith134

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


ricroger

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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