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Author Question: Consider a heavy object which is thrown straight up, reaches its highest point, and then falls back ... (Read 60 times)

abc

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on: Jul 27, 2018
Consider a heavy object which is thrown straight up, reaches its highest point, and then falls back down to the ground. During what parts of the trajectory was it in FREE FALL? (assume here that air friction is negligible)
 
  What will be an ideal response?

Question 2

What is the most common class of star in our galaxy?
 
  A) G-type
  B) O-type
  C) M-type
  D) A-type


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ergserg

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Reply #1 on: Jul 27, 2018
Answer to Question 1

During its entire travel during which gravity was the only significant influence on it (it freely fell moving up, moving down, and at its motionless highest point).

Answer to Question 2

C


abc

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Reply 2 on: Jul 27, 2018
Gracias!

amit

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Reply 3 on: Yesterday
Excellent

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