Physics, 17.10.2019 00:00 makmcduffie2924
A4.00-kg particle moves along the x axis. its position varies with time according to x 5 t 1 2.0t 3 , where x is in meters and t is in seconds. find (a) the kinetic energy of the particle at any time t, (b) the acceleration of the particle and the force acting on it at time t, (c) the power being delivered to the particle at time t, and (d) the work done on the particle in the interval t 5 0 to t 5 2.00 s. serway, raymond a.. physics for scientists and engineers (p. 240). cengage textbook. kindle edition.
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Physics, 21.06.2019 22:30
The membrane surrounding a living cell consists of an inner and an outer wall that are separated by a small space. assume that the membrane acts like a parallel plate capacitor in which the effective charge density on the inner and outer walls has a magnitude of 7.0 Ă— 10-6 c/m2. (a) what is the magnitude of the electric field within the cell membrane? (b) find the magnitude of the electric force that would be exerted on a potassium ion (k+; charge = +e) placed inside the membrane.
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Physics, 22.06.2019 09:00
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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
Answers: 3
A4.00-kg particle moves along the x axis. its position varies with time according to x 5 t 1 2.0t 3...
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