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 98 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?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

For a complete list of videos, visit our video library