If a certain quantity of gas has a volume of 30cm cube day a pressure of 1*10^5 pa what is its volume when the pressure is 2*10^5

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

Based on the concept of the wave-like nature of light, huygens' theory of light postulates that the more light was "bent" by a substance the slower it would move while traversing across that substance. a) deflection b) interference c) refraction d) resonance

An electric clothes dryer has a resistance of 8 ohms. it draws 30 a of current. what is the voltage, in volts, of the wall outlet that it is plugged into?