This topic contains a solution. Click here to go to the answer

Author Question: You measure a 20.0-V potential difference across a 5.00-W resistor. What is the current flowing ... (Read 228 times)

itsmyluck

  • Hero Member
  • *****
  • Posts: 546
You measure a 20.0-V potential difference across a 5.00-W resistor. What is the current flowing through it?
 a. 5.00 A
  c. 100 A
  b. 4.00 A
  d. 1.00 A

Question 2

A bucket of water with total mass 23 kg is attached to a rope, which in turn is wound around a 0.050-m radius cylinder, with crank, at the top of a well. The moment of inertia of the cylinder and crank is 0.21 kgm2 . The bucket is raised to the top of the well and released to fall back into the well. What is the kinetic energy of the cylinder and crank at the instant the bucket is moving with a speed of 6.0 m/s?
 a. 2.1  103 J
  c. 0.86  103 J
  b. 1.5  103 J
  d. 0.40  103 J



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mcomstock09

  • Sr. Member
  • ****
  • Posts: 377
Answer to Question 1

B

Answer to Question 2

B



itsmyluck

  • Hero Member
  • *****
  • Posts: 546
Both answers were spot on, thank you once again




 

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

For a complete list of videos, visit our video library