Landon deliberately wrapped the wires around
the nails in different directions on each
electromagnet. he wants to test how this
difference affects the polarity of the
electromagnet. what object could landon use to
test this?
a. a paper clip
b. a bar magnet
c. a 3-volt battery
d. a piece of paper

the electric field is a “force field” around a charged object that illustrates the direction the electric force would push an imaginary 

where is the circuit diagram ?

a lot of it means it can be "burned" for energy and sold at one price. if it is scarce, the price will go up

momentum of soft ball three times less than baskey ball