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Author Question: Two identical arrows, one with twice the speed of the other are fired into a bale of hay. The faster ... (Read 40 times)

vicky

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on: Jul 29, 2018
Two identical arrows, one with twice the speed of the other are fired into a bale of hay. The faster arrow will penetrate the bale
 
  A) the same distance as the slower arrow.
  B) twice as far as the slower arrow.
  C) four times as far as the slower arrow.
  D) more than four times as far as the slower arrow.
  E) none of the above

Question 2

An auto weighing 3000 newtons has a forward drive force of 1000 newtons. Air resistance on the car is 100 newtons, and road resistance is 100 newtons. The auto moves along a straight level road. The force due to gravity acting on the auto is
 
  A) 800 newtons upward.
  B) 4200 newtons downward.
  C) 3000 newtons upward.
  D) zero.
  E) 3000 newtons downward.


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mcomstock09

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

Answer: C

Answer to Question 2

E


vicky

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


mcomstock09

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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