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Author Question: One car is traveling twice as fast as a second car. How much more work can the first car do. ... (Read 39 times)

Charlie

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One car is traveling twice as fast as a second car. How much more work can the first car do. compared to the second car, in smashing into a brick wall?
 
  A) three times as much
  B) four times as much
  C) twice as much
  D) the same amount as the second car
  E) All of the above.

Question 2

A projectile is launched with an initial velocity of 80 m/s at 30 above the horizontal. Neglecting air, what is horizontal component of the projectile's acceleration?
 
  A) 80 m/s2
  B) 40 m/s2
  C) 9.8 m/s2
  D) 0 m/s2
  E) 69 m/s2



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mcarey591

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Answer to Question 1

B

Answer to Question 2

D




Charlie

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Reply 2 on: Jul 29, 2018
Excellent


irishcancer18

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

 

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