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Figure shows a circuit with the following circuit elements: R1 = 2 kΩ, R2 = 10 kΩ, R3 = 6 kΩ, R4 = 9 kΩ, C= 1.9 μF, and the voltage source V = 12 V.
At time t = 0, the switch S is closed and the capacitor starts charging. What is the current through the switch right after the switch is closed?
What is the current a long time after the switch is closed?
If 'point a' is grounded, what is the potential at 'point e' a long time after the switch is closed?
What is the charge on the fully charged capacitor?
After the switch is opened, how long does it take for the capacitor to discharge to 10% of its full charge?
Miranda, a satellite of Uranus, is shown in part a of the figure below. It can be modeled as a sphere of radius 242 km and mass 6.68 1019 kg. Find the free-fall acceleration on its surface
any two conductors can be considered to be a capacitor. suppose one conductor is a sphere of radius a and the other is
The New River Gorge bridge in West Virginia is a 518 meter long steel arch. Determine how much will its length change between temperature extremes -15°C and 31°C
a researcher measures the thickness of a layer of benzene floating on water by shining mono- chromatic light onto the
The surface temperature of Star Y is 8100 K and the power output of the star is 5.30E+27 W. what will the new power output be
The fresh water behind a reservoir dam is 15.0 m deep. A horizontal pipe 2.50 cm in diameter passes through the dam 7.5 m below the water surface, What volume of water flows out of the pipe in 4.0 hours
A batted baseball leaves the bat at an angle of 34.0 above the horizontal and is caught by an outfielder 360ft from home plate at the same height from which it left the bat. How high does the ball rise above the point
While a woman stands with two feet on a scale, the scale reads 490 N. When she lifts one foot, scale reads more or less.
A 2.0-kg block slides down a fixed, rough curved track. The block has a speed of 5.0 m/s after its height above a horizontal surface has decreased by 2.0 m. What is the change in mechanical energy of the block
A 561 kg satellite is in a circular orbit about the Earth at a height above the Earth equal to the Earth's mean radius. Find the gravitational force acting on it
question a rope can withstand 1.0 x 103 n of tension. if the rope is being used to pull a 10.0-kg package across a
A man weighing 650 and a woman weighing 440 have same momentum. What is the ratio of the man's kinetic energy to that of the woman.
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