If the mass of a material is 50 grams and the volume of the material is 5 cm^3, what would the density of the material be?

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

When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative

What is a carrier wave and how does it affect what you hear on the radio