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Three capacitors in series, with capacitance 3.0micro Farads,5.0 and 6.0 are connected in series to a 21.0V independent voltagesource.
(a) sketch the arrangement
(b) what is the equivalent capacitance?
(c) what charges are on the plates of each capacitor?
(d) to the nearest volt, what is the potential differenceacross each capacitor?
(e) which capacitor is storing the greatest amount ofelectrical potential energy? what is this energy?
(f) show that the equivalent capacitance for a collection ofcapacitors connected in series is smaller than the smallestcapacitance in the series.
A 0.70-m-diameter solid sphere can be rotated about an axis through its center by a torque of 12.8m?N which accelerates it uniformly from rest through a total of 170 revolutions in 14.0s
You are trying to lose weight by working out on a rowing machine. Each time you pull the rowing bar (which simulates the "oars") toward you, What is the magnitude of the force that you exert on the handle
A venturi is constructed of a 9.0 cm diameter pipe with a 2.0 cm diameter throat. What is the pressure in the throat
A person weighs 689 N and the head is 53 N the average density of the person is 1010 kg/cubed meters how much force in N is required to keep a persons head out of the water.
Astronauts on a distant planet set up a simple pendulum of length 1.2 m. The pendulum executes simple harmonic motion and makes 100 complete oscillations in 370 s. What is the magnitude of the acceleration due to gravity on this planet?
Consider a rectangular swimming pool of depth 2.7 m with a width and length of 13 m. What is the force exerted by the water on one of the sidewalls of the pool
A spaceship of proper length 306 m takes 0.75 µs to pass an Earth observer. Determine the speed of this spaceship as measured by the Earth observer.
In a game of football outdoors on a cold day, a player will begin to feel exhausted after using approximately 8.0 × 105 J of internal energy. What is the magnitude of the heat that he has lost
The nucleus 60Co decays by the emission of an electron ( B 2). (Energetic gamma rays also accompany this decay and are used for the treatment of cancer.) What is the resulting nucleus
A ray of sunlight is passing from diamond into crown glass; the angle of incidence is 28.10°. Determine the angle between the refracted blue and red rays in the crown glass
Light from a laser beam with a wavelength of 600 nm passes through a narrow single slit and observed on a screen 1.5 m behind the slit. How wide is the slit
The quantity of charge q (in coulombs) that has passed through a surface of area 1.92 cm2 varies with time according to the equation q = 4t3 + 5t + 6, What is the instantaneous current through the surface at t = 1.02 s
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