If an all-electric car has kinetic energy, then it also must have ...

[khang]

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]

Answer to Question 1

Answer: B

Answer to Question 2

Answer: A

[khang]

Thank you!

[samiel-sayed]

Always glad to help...