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

Author Question: A sample of blood is placed into a centrifuge of radius 15.0 cm. The mass of a red corpuscle is 3.0 ... (Read 79 times)

Bernana

  • Hero Member
  • *****
  • Posts: 530
on: Jul 28, 2018
A sample of blood is placed into a centrifuge of radius 15.0 cm. The mass of a red corpuscle is 3.0  10-16 kg, and the centripetal force required to make it settle out of the plasma is 4.0  10-11 N. At how many revolutions per second should the centrifuge be operated?

Question 2

A box is dropped onto a conveyor belt moving at 2 m/s. If the coefficient of friction between the box and the belt is 0.3, how long before the box moves without slipping?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

courtney_bruh

  • Sr. Member
  • ****
  • Posts: 308
Reply #1 on: Jul 28, 2018
Answer to Question 1

150 rev/s (9 000 rpm)

Answer to Question 2

0.7 s


Bernana

  • Hero Member
  • *****
  • Posts: 530
Reply #2 on: Jul 28, 2018
Thank you!


courtney_bruh

  • Sr. Member
  • ****
  • Posts: 308
Reply #3 on: Jul 28, 2018
Always glad to help...


« previous next »
 

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Sickled and normal red blood cells Sickled and normal red blood cells
Blood Flow Through The Cardiac Valves Blood Flow Through The Cardiac Valves
Blood-brain barrier Blood-brain barrier
Risk of Stroke and Heart Disease Increase with Increasing Blood Pressure Risk of Stroke and Heart Disease Increase with Increasing Blood Pressure
Climate models the flow of mass and energy Climate models the flow of mass and energy
White Blood Cells White Blood Cells
Video: Protein catabolism - deamination

For a complete list of videos, visit our video library