A 1200 kg car moving at 30 m/s applied its brakes and stops . if the friction force between the sliding tries and the surface is 400N . how far does the car travel before coming to rest ?​

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

Ihave this 50 question test the layer of earth's atmosphere where atoms and molecules escape into space is referred to as the a) exosphere b) ionosphere. c) mesosphere d) thermosphere

Lexi is balancing equations. she is finding one equation to be very difficult to balance. which explains how to balance the equation znso4 + li2co3 → znco3 + li2so4?