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

Author Question: A dumbbell-shaped object is composed by two equal masses, m, connected by a rod of negligible mass ... (Read 55 times)

washai

  • Hero Member
  • *****
  • Posts: 523
on: Jul 29, 2018
A dumbbell-shaped object is composed by two equal masses, m, connected by a rod of negligible mass and length r.
 
  If I1 is the moment of inertia of this object with respect to an axis passing through the center of the rod and perpendicular to it and I2 is the moment of inertia with respect to an axis passing through one of the masses, it follows that
  A) I1 = I2.
  B) I1 > I2.
  C) I2 > I1.

Question 2

As you are leaving a building, the door opens outward. If the hinges on the door are on your right, what is the direction of the angular velocity of the door as you open it?
 
  A) up
  B) down
  C) to your left
  D) to your right
  E) forwards


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Danny Ewald

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B


washai

  • Hero Member
  • *****
  • Posts: 523
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


Danny Ewald

  • Sr. Member
  • ****
  • Posts: 332
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Demonstration of equal segregation within one meiocyte in the yeast S. cerevisiae Demonstration of equal segregation within one meiocyte in the yeast S. cerevisiae
Land mass looks like a synapse Land mass looks like a synapse
Table Salt Is Composed of Sodium and Chloride Table Salt Is Composed of Sodium and Chloride
Mass spectrometry of a synthetic version of collagen peptide Mass spectrometry of a synthetic version of collagen peptide
What is the isotopic atomic mass of an isotope if 9.7023 1022 atoms weighs 4.0256 g? What is the isotopic atomic mass of an isotope if 9.7023 1022 atoms weighs 4.0256 g?
Newborns, infants, and children have a high percentage of body weight composed of water... Newborns, infants, and children have a high percentage of body weight composed of water...
Video: Effect of blood chemistry - stimuli, hyperventilation response and hypoventilation response

For a complete list of videos, visit our video library