Author Question: An object moving on a circular path at a constant speed is said to be accelerating because a) the ... (Read 104 times)

jparksx

  • Hero Member
  • *****
  • Posts: 570
An object moving on a circular path at a
  constant speed is said to be accelerating
  because
  a) the magnitude of the acceleration itself is changing.
  b) the magnitude of the velocity is changing.
  c) the direction of the velocity is changing.
  d) the magnitude is changing.
  <-- if ppt--><--endif-->

Question 2

A wheel starts from rest and rotates with a constant angular acceleration about a fixed axis. It completes the first revolution 6.0 s after it started. How long after it started will the wheel complete the second revolution?
 a. 9.9 s
  b. 7.8 s
  c. 8.5 s
  d. 9.2 s
  e. 6.4 s



jliusyl

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

c

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

For a complete list of videos, visit our video library