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Author Question: A bullet moving at 244. m/s strikes a tree and penetrates a distance of 8.34 mm before stopping. ... (Read 144 times)

j.rubin

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on: Jul 27, 2018
A bullet moving at 244. m/s strikes a tree and penetrates a distance of 8.34 mm before stopping. Assuming a constant acceleration, how long did it take the bullet to stop?
 
  What will be an ideal response?

Question 2

A brick and a feather fall to the Earth at their respective terminal velocities. Which object experiences the greater force of air friction?
 
  A) Neither, both experience the same amount of air friction force.
  B) the brick
  C) the feather


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manuelcastillo

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

68.4 microseconds

Answer to Question 2

B


j.rubin

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Reply 2 on: Jul 27, 2018
Excellent

recede

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Reply 3 on: Yesterday
:D TYSM

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