What is the electromagnetic spectrum
a magnetic field
when electricity is used to cause an object to move
the range for all sound
the range for all light

The simple interest on a loan of $200 at 10 percent interest per year is $10 per year until the loan is paid off. $15 per year until the loan is paid off. $20 per year until the loan is paid off. $25 per year until the loan is paid off.

What defines the mass number of an isotope? a. the sum of the neutrons and protons b. the sum of the neutrons and electrons c. the number of neutrons d. the number of protons

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.