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

Author Question: Which of these are physical quantities? a. time b. energy c. seconds d. kilometers e. ... (Read 24 times)

fahad

  • Hero Member
  • *****
  • Posts: 570
Which of these are physical quantities?
 a. time
  b. energy
  c. seconds
  d. kilometers
  e. volume

Question 2

In the leftmost photo below, an instructor demonstrates that a standard two-by-four on a curved dish can be rotated by the attractive force of a charged rod. The two-by-four is affected by the charged rod of the same way as:
 a. the metal ball in the figure 20-3.
  b. the insulating object in the figure at above right.
  c. neither of the two; a different mechanism is involved since the two-by-four is so massive.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

AISCAMPING

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

A, B, E

Answer to Question 2

b





 

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

For a complete list of videos, visit our video library