Coil of wire with a current is called a(n)
a. insulator.
b. solenoid.
c. electromagnet.
d. galvanomete

Asmall metal bar, whose initial temperature was 10° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70° c if it is known that its temperature increases 2° during the first second? (the boiling temperature for water is 100° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98° c? (round your answer to one decimal place.)

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?

What does si stand for, when referring to a system of measurement