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

Author Question: A 0.10-m long metal rod has a radius of 1.0 cm and a resistance of 3.2 10-5 W. What is the ... (Read 57 times)

lidoalex

  • Hero Member
  • *****
  • Posts: 538
on: Jul 28, 2018
A 0.10-m long metal rod has a radius of 1.0 cm and a resistance of 3.2  10-5 W. What is the resistivity of the metal?
 a. 5.0  10-8 Wm
  c. 10  10-8 Wm
  b. 160  10-8 Wm
  d. 1.6  10-8 Wm

Question 2

A bus is designed to draw its power from a rotating flywheel that is brought up to its maximum speed (3000 rpm) by an electric motor. The flywheel is a solid cylinder of mass 250 kg and radius 0.500 m (Icylinder = MR2/2). If the bus requires an average power of 10.0 kW, how long will the flywheel rotate?
 a. 154 s
  c. 463 s
  b. 308 s
  d. 617 s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

onowka

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

A


lidoalex

  • Member
  • Posts: 538
Reply 2 on: Jul 28, 2018
Gracias!

okolip

  • Member
  • Posts: 362
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Comparison of the radius of fruits produced by native and introduced species of Sapindaceae Comparison of the radius of fruits produced by native and introduced species of Sapindaceae
Long-tailed Widowbird Long-tailed Widowbird
Measuring the resistance of the ECT sensor. The resistance measurement can then be compared with ... Measuring the resistance of the ECT sensor. The resistance measurement can then be compared with ...
In the figure, a 10.0-m long bar is attached by a frictionless hinge to a wall and held ... In the figure, a 10.0-m long bar is attached by a frictionless hinge to a wall and held ...
An 82-kg painter stands on a long horizontal board 1.55 m from one end. This 27-kg board is ... An 82-kg painter stands on a long horizontal board 1.55 m from one end. This 27-kg board is ...
What is the total resistance of the circuit in Figure 1? 150 What is the total resistance of the circuit in Figure 1? 150
Video: ATPase function - membrane transport, contractile proteins and synthesis

For a complete list of videos, visit our video library