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 90 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?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

A sample prescription written by a physician. A sample prescription written by a physician.
The Blood–Brain Barrier The Blood–Brain Barrier
Insulin, glucagon, and blood glucose. Insulin, glucagon, and blood glucose.
A sphere, 0.30 m in radius, has a surface emissivity of 0.48 and is at a temp A sphere, 0.30 m in radius, has a surface emissivity of 0.48 and is at a temp
What is the density of 96 mL of a liquid that has a mass of 90.5 g? What is the density of 96 mL of a liquid that has a mass of 90.5 g?
Codominance in ABO Blood Types Codominance in ABO Blood Types
Video: Types of Shock (Part 2 of 2)

For a complete list of videos, visit our video library