If a bar magnet is falling through a loop of wire, the induced current in the loop of wire sets up a field which exerts a force on the magnet. This force between the magnet and the loop will be repulsive when:
a. the magnet enters the loop.
c. never.
b. the magnet is leaving the loop.
d. the magnet is halfway through.
Question 2
The bulk modulus of a material, as a meaningful physical property, is applicable to which of the following?
a. only solids
c. only gases
b. only liquids
d. solids, liquids and gases
Past and current ranges of the grizzly bear.
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