This topic contains a solution. Click here to go to the answer

Author Question: An astronaut at rest has a heart rate of 65 beats/min. What will her heart rate be as measured by an ... (Read 80 times)

xclash

  • Hero Member
  • *****
  • Posts: 681
An astronaut at rest has a heart rate of 65 beats/min. What will her heart rate be as measured by an earth observer when the astronaut's spaceship goes by the earth at a speed of 0.80c?
 a. 108 beats/min
  c. 81 beats/min
  b. 39 beats/min
  d. 52 beats/min

Question 2

A ground observer measures the period of a pendulum moving as a part of an inertial frame of reference to be 2.30 s as the inertial frame moves by at a velocity of 0.800c. What would the observed period be of the same pendulum if its inertial frame were at rest with respect to the observer?
 a. 3.03 s
  c. 1.84 s
  b. 1.38 s
  d. 4.25 s



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

macmac

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

B

Answer to Question 2

B




xclash

  • Member
  • Posts: 681
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)


bulacsom

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Gracias!

 

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

For a complete list of videos, visit our video library