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Author Question: Two children ride on a merry-go-round, George is at a greater distance from the axis of rotation ... (Read 71 times)

MGLQZ

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on: Jul 29, 2018
Two children ride on a merry-go-round, George is at a greater distance from the axis of rotation than Jacques. It is a true statement that
 
  A) Jacques has a greater angular velocity than George.
  B) Jacques and George have the same angular velocity.
  C) Jacques has a smaller angular velocity than George.
  D) both have zero angular velocities.
  E) Cannot tell which one has the greater angular velocity without knowing their masses.

Question 2

Protons are being accelerated in a particle accelerator. When the energy of the protons is doubled, their de Broglie wavelength will
 
  A) increase by a factor of 4.
  B) increase by a factor of 2.
  C) decrease by a factor of 2.
  D) increase by a factor of .
  E) decrease by a factor of .


duy1981999

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

B

Answer to Question 2

E


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