Author Question: Electrical charges and magnetic poles have many similarities, but one difference is: a. a magnetic ... (Read 85 times)

KimWrice · **on:** Jul 28, 2018

Electrical charges and magnetic poles have many similarities, but one difference is:
a. a magnetic pole cannot be isolated. b. one magnetic pole cannot create magnetic poles in other materials.
c. opposite magnetic poles repel.
d. magnetic poles do not produce magnetic fields.

Question 2

What volume of water is displaced by a submerged 16-kg cylinder made of solid aluminum? (aluminum density = 2.7 103 kg/m3 and water density = 1.0 103 kg/m3)
a. 7.4 l0-4 m3
c. 9.9 103 m3
b. 1.5 10-3 m3
d. 5.9 10-3 m3