Ablock of iron of volume 50 cm has a mass of 390 g. what is the density of iron

Current enters a circuit at a: 1.positive terminal 2.negative terminal 3.low potential side 4.resistor

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

Which of the following is not a characteristic of s waves? a. travel slower than p waves. b. cannot be detected in locations more than 105° from an earthquake’s epicenter. c. travel through solids and liquids. d. only affect coastal regions.