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Author Question: An astronaut in a space capsule is experiencing weightlessness. Does the astronaut have to exert any ... (Read 172 times)

Bernana

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on: Jul 29, 2018
An astronaut in a space capsule is experiencing weightlessness. Does the astronaut have to exert any effort to throw a bowling ball, since the bowling ball is also weightless?
 
  What will be an ideal response?

Question 2

A child is riding a merry-go-round, which has an instantaneous angular speed of 1.25 rad/s and an angular acceleration of 0.745 rad/s2. The child is standing 4.65 m from the center of the merry-go-round.
 
  What angle does the acceleration of the child make with the tangential direction? A) 90.0
  B) 25.5
  C) 32.5
  D) 64.5
  E) 45.0


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meltdown117

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

Yes. The ball will undergo an acceleration, and the force required to give it this acceleration is equal to the mass of the ball times the acceleration.

Answer to Question 2

D


Bernana

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

xiaomengxian

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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