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Author Question: Which of these are physical quantities? a. time b. energy c. seconds d. kilometers e. ... (Read 99 times)

fahad

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on: Jul 28, 2018
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.


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AISCAMPING

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Reply #1 on: Jul 28, 2018
Answer to Question 1

A, B, E

Answer to Question 2

b


fahad

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Reply #2 on: Jul 28, 2018
Thanks


AISCAMPING

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Reply #3 on: Jul 28, 2018
Welcome :)


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