When a generator rotates a coil of wire in a magnetic field, which of the following is produced?
magnetic domain
magnetic pole
electric field
electric current

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

This is one type of line graph in which the independent variable is time plotted on the x axis and the dependent variable, also numerical, is plotted on the y axis.

Which of these has some mechanical energy? a. an atom b. heat inside earth c. a book on a shelf d. the fire from a lit match