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Author Question: A 1-kg rock that weighs 10 N is thrown straight upward at 20 m/s. Neglecting air resistance, the net ... (Read 80 times)

crazycityslicker

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on: Jul 29, 2018
A 1-kg rock that weighs 10 N is thrown straight upward at 20 m/s. Neglecting air resistance, the net force that acts on it when it is half way to the top of its path is
 
  A) less than 10 N.
  B) 10 N.
  C) more than 10 N.

Question 2

A rock is thrown vertically into the air. At the top of its path, its acceleration is
 
  A) zero.
  B) 10 m/s2.
  C) between 0 and 10 m/s2.
  D) greater than 10 m/s2.


tanna.moeller

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

Answer: B

Answer to Question 2

Answer: B


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crazycityslicker

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Reply #2 on: Jul 29, 2018
Thank you!


tanna.moeller

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Reply #3 on: Jul 29, 2018
Always glad to help...


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