A4350 kg truck, driving 7.39 m/s, runs into the back of a stationary car. after the collision, the truck moves 4.55 m/s and the car moves 11.5 m/s, both in the same direction. what is the mass of the car?

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

Atomic nuclei of almost all elements consist of

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