« previous next »

Author Question: An object is made up of three masses connected by massless rods of fixed length. Mass A is ... (Read 73 times)

ts19998

  • Hero Member
  • *****
  • Posts: 531
on: Jul 29, 2018
An object is made up of three masses connected by massless rods of fixed length.
 
  Mass A is located at (30.0 cm, 0 cm) and has a mass of 250 grams, mass B is located at (0 cm, 30.0 cm) and has a mass of 350 grams, mass C is located at (-30.0 cm, 0 cm) and has a mass of 450 grams. What is the moment of inertia of this object about an axis perpendicular to the x-y plane and passing through the origin?
  A) 0.0945 kg m2
  B) 0.315 kg m2
  C) 0.185 kg m2
  D) 0.0135 kg m2
  E) 0.0450 kg m2

Question 2

Which one of the following is a correct statement for a number of resistors connected in series or parallel?
 
  A) The total resistance in a series circuit decreases as more resistors are added.
  B) The flow of current is different through resistors connected in a series circuit.
  C) The voltage is different across resistors connected in a parallel circuit.
  D) The total resistance in a parallel circuit decreases as more resistors are added.
  E) None of the above statements is correct.


mathjasmine

  • Sr. Member
  • ****
  • Posts: 312
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

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.

Cambrian trilobite, with a shell made of calcium carbonate. Cambrian trilobite, with a shell made of calcium carbonate.
The Masses, a leading Socialist magazine, featured drawings by artists, including John Sloan, as wel The Masses, a leading Socialist magazine, featured drawings by artists, including John Sloan, as wel
Body mass index table. Body mass index table.
Climate models the flow of mass and energy Climate models the flow of mass and energy
Lab: Mass Relationships in Chemical Reaction Lab: Mass Relationships in Chemical Reaction
Video: Role of transport in a cell

For a complete list of videos, visit our video library