Physics, 09.04.2021 08:40 chevysilverado2377
Un circuit electric simplu conţine un voltmetru care indică 11,4V dacă ȋntrerupătorul este ȋnchis şi 12V dacă este deschis. Prin circuitul bateriei trece o sarcină de 3C ȋn timp de 10s. a) aflaţi valoarea intensităţii curentului ce străbate circuitul; b) care este valoarea rezistenţei interioare? Dar a rezistenţei totale a circuitului electric?
Answers: 1
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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
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Determine the moment of the force f about an axis extending between a and c. express the result as a cartesian vector. a is at the origin, c is at (4,3,0) and f = (4i + 12j -3k) lb coming out of b (4,3,-2).
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Un circuit electric simplu conţine un voltmetru care indică 11,4V dacă ȋntrerupătorul este ȋnchis şi...
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