This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: At a certain instant, a compact disc is rotating at 210 rpm. What is its angular speed in rad/s? ... (Read 350 times)

jlmhmf

  • Hero Member
  • *****
  • Posts: 552
on: Jul 29, 2018
At a certain instant, a compact disc is rotating at 210 rpm. What is its angular speed in rad/s?
 
  A) 11 rad/s
  B) 22 rad/s
  C) 45 rad/s
  D) 69 rad/s
  E) 660 rad/s

Question 2

The sun subtends an angle of 0.00928 rad when viewed from the surface of the earth, and its distance from Earth is 1.5  1011 m. What is the diameter of the sun?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Toya9913

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

1.4  109 m


jlmhmf

  • Member
  • Posts: 552
Reply 2 on: Jul 29, 2018
Excellent

deja

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

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?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Write the equation for the voltage at any instant, and find the voltage at 4.0 s Write the equation for the voltage at any instant, and find the voltage at 4.0 s
Close-up of a flat-disc amplifier (left) and a bell amplifier (right) Close-up of a flat-disc amplifier (left) and a bell amplifier (right)
The optic disc The optic disc
Speed of Light in Different Mediums Speed of Light in Different Mediums
A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 ... A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 ...
Rotating a matrix along the x-axis multiplication Rotating a matrix along the x-axis multiplication
Video: Membrane Protein and Facilitated Transport (Passive Vs Active)

For a complete list of videos, visit our video library