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Author Question: If an all-electric car has kinetic energy, then it also must have A) impulse. B) momentum. C) ... (Read 58 times)

khang

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on: Jul 29, 2018
If an all-electric car has kinetic energy, then it also must have
 
  A) impulse.
  B) momentum.
  C) acceleration.
  D) force.
  E) none of the above

Question 2

When a cannon is fired, it recoils as the cannonball is set in motion. The cannon and cannonball ideally acquire equal
 
  A) but opposite amounts of momentum.
  B) amounts of kinetic energy.
  C) both of these
  D) neither of these


samiel-sayed

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

Answer: B

Answer to Question 2

Answer: A


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khang

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Reply #2 on: Jul 29, 2018
Thank you!


samiel-sayed

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Reply #3 on: Jul 29, 2018
Always glad to help...


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