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 89 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?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Coronary artery bypass graft (CABG). The grafts are often obtained from the patient’s saphenous vein Coronary artery bypass graft (CABG). The grafts are often obtained from the patient’s saphenous vein
Blood Glucose Levels Blood Glucose Levels
Measuring Blood Pressure Measuring Blood Pressure
Sample Advance Directive Sample Advance Directive
The DNA from one chromosome has a mass of ~20 billion Daltons The DNA from one chromosome has a mass of ~20 billion Daltons
The Circulatory and Lymphatic Systems Blood and lymph are fluids that circulate throughout the body The Circulatory and Lymphatic Systems Blood and lymph are fluids that circulate throughout the body
Video: Miller's reaction chamber experiment Animation

For a complete list of videos, visit our video library