Author Question: An object moving on a circular path at a constant speed is said to be accelerating because a) the ... (Read 40 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?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

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

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

The average adult has about 21 square feet of skin.

For a complete list of videos, visit our video library