Author Question: If you rub a transparency sheet with tissue and then hold the transparency sheet and the tissue at ... (Read 78 times)

joesmith1212 · **on:** Jul 29, 2018

If you rub a transparency sheet with tissue and then hold the transparency sheet and the tissue at rest a short distance apart, they will then exert

A) a repulsive electric force on each other, but no magnetic force.
B) an attractive electric force on each other, but no magnetic force.
C) a repulsive magnetic force on each other, but no electric force.
D) an attractive magnetic force on each other, but no electric force.
E) no electric or magnetic forces on each other.

Question 2

Radioactive dating methods and other dating methods indicate that hominids have been on Earth for about

A) 15 billion years.
B) 5 billion years.
C) 5 million years.
D) 100,000 years.
E) 5000 years.