The image above shows the nucleus of a nitrogen atom. how can the atomic number of nitrogen be determined?
a. count the humber of neutrons
b. count the number of protons
c. add the number of protons and neutrons
d. count the number of electrons

Apackage of supplies is dropped from a plane, and one second later a second package is dropped. neglecting air resistance, the relative velocity of the 1st package viewed from the second will 56) a) increase. b) be constant. c) be zero. d) depend upon their weight. e) decrease

Aspecimen of oil having an initial volume of 580cm^3 is subjected to a pressure increase of 4.0 mpa, and the volume is found to decrease by 0.40 cm^3. (a) what is the bulk modulus of the material? (b) what is the compressibility of the material?

How much energy is supplied to each coulomb of charge that flows through a 12-v battery?