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

Author Question: A uniform 2.00-kg circular disk of radius 20.0 cm is rotating clockwise about an axis through its ... (Read 216 times)

james9437

  • Hero Member
  • *****
  • Posts: 568
on: Jul 29, 2018
A uniform 2.00-kg circular disk of radius 20.0 cm is rotating clockwise about an axis through its center with an angular speed 30.0 revolutions per second.
 
  A second uniform 1.50-kg circular disk of radius 15.0 cm that is not rotating is dropped onto the first disk so that the axis of rotation of the first disk passes through the center of the second disk. What is the final angular speed of the two disks when they are rotating together?
  A)
 
  16.9 revolutions per second
  B)
 
  19.2 revolutions per second
  C)
 
  21.1 revolutions per second
  D)
 
  17.1 revolutions per second
  E)
 
  12.7 revolutions per second

Question 2

State Kirchhoff's junction rule.
 
  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

janieazgirl

  • Sr. Member
  • ****
  • Posts: 300
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

At any junction point, the sum of all the currents entering the junction must equal the sum of all the currents leaving the junction.


james9437

  • Member
  • Posts: 568
Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

hollysheppard095

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

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?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Comparison of the radius of fruits produced by native and introduced species of Sapindaceae Comparison of the radius of fruits produced by native and introduced species of Sapindaceae
Atomic Radius Atomic Radius
Apply circular friction with the fingertips over the masseter muscle. Apply circular friction with the fingertips over the masseter muscle.
Apply the substance to the abdomen in a clockwise motion. Apply the substance to the abdomen in a clockwise motion.
Many different types of labels may be found on packages containing hazardous materials. Clockwise ... Many different types of labels may be found on packages containing hazardous materials. Clockwise ...
A closed loop conductor that forms a circle with a radius of is located in a uniform but ... A closed loop conductor that forms a circle with a radius of is located in a uniform but ...
Video: Flexor reflex & Crossed extensor reflex

For a complete list of videos, visit our video library