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[bio_gurl]

AKHdKD4YYsBaGzGMKdR CG3Gf0yJEC1ncdAWmfs tZf0MVp4tjIC7pE2BS9 NugHfVO402EoIqBhMVT 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 />
 
   
 
   
   After the spring is released M has
   velocity v. The total energy initially
   stored in the spring was:

  1.mv
  2.2mv
  3.3mv
  4.4mv
  5.5mv
  6.None of the above
  7.Cannot be determined"

Question 2

A cart of mass m is moving with speed v. Is it possible for the cart's kinetic energy or the magnitude of its momentum to be larger after it collides with something?
 
  1.No; it is impossible.
  2.Yes; the kinetic energy can be larger.
  3.Yes; the momentum can be larger.
  4.Yes; both can be larger.

[Anna]

Answer to Question 1

3

Answer to Question 2

4

[bio_gurl]

YES! Correct, THANKS for helping me on my review

[kishoreddi]

Gracias!