The material or substance that a wave moves through is called a . The medium affects the speed of the wave that passes through it. One factor that affects the speed of a wave is the of medium. Some waves move faster in solids and some waves move faster in liquids and gasses. Another factor that affectswave speed is the of the medium.

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The air in an automobile tire with a volume of 2.60 ft3 is at 70°f and 21 psig. determine the amount of air that must be added to raise the pressure to the recommended value of 30 psig. assume the atmospheric pressure to be 14.6 psia and the temperature and the volume to remain constant. the gas constant of air is ru = 53.34ft⋅lbflbm⋅r(1 psia144 lbf/ft2) = 0.3704 psia⋅ft3lbm⋅r the amount of air that must be added to raise the pressure is lbm

Which of the choices are parts of an atom? select all that apply. a.) compound b.) electron c.) neutron d.) molecule e.) photon f.) proton g.) element

At what time would the magnitude of the velocity reach 36.00 km/hr