This topic contains a solution. Click here to go to the answer

Author Question: What happens to centripetal force when speed decreases, in the special case that the object ... (Read 122 times)

washai

  • Hero Member
  • *****
  • Posts: 523
What happens to centripetal force when speed decreases, in the special case that the object continues moving in a circle of the same radius?
 a. The force also decreases.
  b. The force increases.
  c. The radius cannot stay the same.
  d. The force sometimes stays the same and sometimes decreases.
  e. Speed does not affect centripetal force.

Question 2

How do we calculate centripetal acceleration?
 a. By calculating the acceleration at several points around the circle and averaging.
  b. By subtracting two velocity vectors separated by a short time interval.
  c. By adding two velocity vectors separated by a short time interval.
  d. By calculating the change in speed.
  e. By calculating the acceleration at several points around the circle and finding the sum.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

katheyjon

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

a

Answer to Question 2

b



washai

  • Hero Member
  • *****
  • Posts: 523
Both answers were spot on, thank you once again



katheyjon

  • Sr. Member
  • ****
  • Posts: 331

 

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

For a complete list of videos, visit our video library