Author Question: Electricity is transmitted from power plants at ________. a. high voltages b. high currents c. ... (Read 69 times)

tatyanajohnson

  • Hero Member
  • *****
  • Posts: 569
Electricity is transmitted from power plants at ________.
 a. high voltages
  b. high currents
  c. low resistances
  d. low power

Question 2

A 1.8-kg block is released from rest at the top of a rough 30 inclined plane. As the block slides down the incline, its acceleration is 3.0 m/s2 down the incline. Determine the magnitude of the force of friction acting on the block.
 a. 4.2 N
  b. 3.0 N
  c. 3.4 N
  d. 3.8 N
  e. 2.3 N



cassie_ragen

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

a

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

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 eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

For a complete list of videos, visit our video library