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A) A 20 uF capacitor is charged by connecting it to a 5000 V source. Once the capacitor is charged, how much charge is there on the capacitor?
B) Once the capacitor is charged, how much energy is stored in the capacitor?
C) Assume the capacitor is a parallel-plate capacitor with vacuum between its two plates. An electron is released from the negatively charged plate and flies toward the positive plate. How fast would the electron be traveling when it reaches the positive plate?
D) Once the capacitor is charged, the voltage source is first disconnected, and then the two terminals of the capacitor are connected by a copper wire so that the capacitor is rapidly discharged, releasing all its stored energy. If it took 10 micro-seconds for the capacitor to discharge completely, what was the average power dissipation during these 10 micro-seconds?
In the high jump, Fran's kinetic energy is transformed into gravitational potential energy without the aid of a pole. Obtain with what minimum speed must Fran leave the ground
The brakes of a truck cause it to slow down by applying a retarding force of 3950 N to the truck over a distance of 882 m. What is the work done by this force on the truck
A football is kicked across a level field. The ball spends 2.36 s in the air and lands 79.8 meter from the point where it was kicked. Find what is the maximum height reached by the ball
In an open RC circut, the total resistance is 15Kohms and the battery emf is 24 and constant is measured to be 35 microsecond calculate (a) the total capacitance of the circuit
The hydrogen atom consists of a proton of mass 1.67*10^-27Kg and an orbiting electron of mass 9.11*10^-31kg. In one of it's orbits, the electron is 5.3*10^-11m from the proton. what is the mutual attractive gravitational force between the electron..
Blood can carry excess energy from the interior to the surface of the body, where the energy is dispersed in a number of ways. determine the temperature of the blood
an automobile and train move together along parallel paths at 18.4 ms.the automobile then undergoes a uniform
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An electric motor rotating a workshop grinding wheel at a rate of 107 rev/min is switched off. Assume the wheel has the constant negative angular acceleration of magnitude 1.70 rad/s2.
A 73-kg boy is surfing and catches a wave which gives him an initial speed of 1.6 m/s. How much nonconservative work was done on the boy
Two point charges, +5.0 µC and ?3.0 µC, are separated by 4.0 m. What is the electric potential energy?
A concave mirror has a radius of curvature of 34.0cm. Find the height of the image of the insect, Find the location of the image of the insect
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