Author Question: Two children ride on a merry-go-round, George is at a greater distance from the axis of rotation ... (Read 67 times)

MGLQZ

  • Hero Member
  • *****
  • Posts: 579
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

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

B

Answer to Question 2

E



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

For a complete list of videos, visit our video library