Author Question: Which of these are units of measure? a. time b. energy c. seconds d. kilometers e. ... (Read 70 times)

ahriuashd · **on:** Jul 28, 2018

Which of these are units of measure?
a. time
b. energy
c. seconds
d. kilometers
e. volume

Question 2

Imagine that you touch the ball of an electroscope with your finger while a positive rod is near the ball. What causes the flow of negative charge into the electroscope?
a. You have an excess of negative charge on your hand, which you transfer to the electroscope.
b. The positively charged rod attracts negative charge to the nearby parts of the electroscope and nearby parts of your hand.
c. Both a. and b.
d. The rod attracts negative charge from the atmosphere.
e. The negative charge is attracted because your hand and the electroscope shaft are conductors.