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Author Question: A straw is used for a pea shooter. When you blow through the straw the speed of the emerging pea ... (Read 158 times)

Ebrown

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on: Jul 29, 2018
A straw is used for a pea shooter. When you blow through the straw the speed of the emerging pea will be greater if the straw is
 
  A) cut in half.
  B) full length.
  C) either cut in half or full length.

Question 2

Human reaction time is usually greater than 0.10 s. If your friend holds a ruler between your fingers and releases it without warning, how far can you expect the ruler to fall before you catch it, assuming that air has no effect on the ruler?
 
  A) At least 3.0 cm
  B) At least 4.9 cm
  C) At least 6.8 cm
  D) At least 9.8 cm


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Dunkey

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

Answer: B

Answer to Question 2

B


Ebrown

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Reply 2 on: Jul 29, 2018
Wow, this really help

kusterl

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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