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Author Question: When a ball thrown straight upwards reaches the very top of its path, its acceleration is A) ... (Read 121 times)

JMatthes

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on: Jul 29, 2018
When a ball thrown straight upwards reaches the very top of its path, its acceleration is
 
  A) zero.
  B) 5 m/s2.
  C) 10 m/s2.
  D) none of the above

Question 2

Neglecting air resistance, how fast must you toss a ball straight up in order for it to take 6 seconds to return to its initial level?
 
  A) 5 m/s
  B) 10 m/s
  C) 20 m/s
  D) 30 m/s
  E) more than 30 m/s


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mathjasmine

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

Answer: C

Answer to Question 2

Answer: D


JMatthes

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Reply 2 on: Jul 29, 2018
Gracias!

amit

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Reply 3 on: Yesterday
:D TYSM

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