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 52 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?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Impacts of glaciers on landscapes can be seen as (a) a U-shaped valley in Labrador, (b) a drumlin fi Impacts of glaciers on landscapes can be seen as (a) a U-shaped valley in Labrador, (b) a drumlin fi
Wedge-shaped oil film developed below a moving block. Wedge-shaped oil film developed below a moving block.
Pressure is a result of the atmosphere’s mass. Pressure is a result of the atmosphere’s mass.
Air-Mass Thunderstorms Air-Mass Thunderstorms
A 2.10-kg hammer is transported to the Moon. The radius of the Moon is 1.74 × 106 m, its mass ... A 2.10-kg hammer is transported to the Moon. The radius of the Moon is 1.74 × 106 m, its mass ...
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?
Video: Bipolar Disorder

For a complete list of videos, visit our video library