Author Question: Electricity is transmitted from power plants at ________. a. high voltages b. high currents c. ... (Read 23 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?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

For a complete list of videos, visit our video library