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A 100uF capacitor is initially chargcd to 10V. The capacitor is disconnected from the source that charged it, and then a 1000 Ohm resistor is connected across the capacitor, What is the total initial energy stored in this system,
Sketch the current in the circuit and the voltage across the capacitor as a function of time (if t=0 is when the resistor is connected), What is the final energy stored in the capacitor?
Where did the initial energy go? What is the maximum current that appears in the in the circuit any time after the resistor is connected?
How much time does it take for the capacitor to discharge to half of its original charge?
A fully loaded, slow-moving freight elevator has a cab with a total mass of 1150 kg, which is required to travel upward 49 m in 3.1 min, starting and ending at rest. The elevator's counterweight has a mass of only 1025 kg, and so the elevator motor m..
A meter stick (L = 1 meter) has a mass of m = 0.154 kilogram. Initially it hangs from two short strings: one at the 25 centimeter mark and one at the 75 centimeter mark. Obtain the tension in the string when the meter stick is vertical
a singly ionized helium atom he has only one electron in orbit about the nuclues. what is the radius of the ion when it
Consider a concave mirror with a focal length of 18.90 cm. Find the location of the image when the object is 10.20 cm from the mirror. What is the magnification of the image? What is the radius of curvature of the mirror in cm? Is is virtual and u..
assuming the lower leg and foot together have a combined mass of 4kg and the center of mass is located at the center of the lowerleg. what is the magnitude of the force of the bone on the upper leg on the bone of the lowerleg
When a stone of weight W is suspended from a scale and submerged in water the scale reads 10 kg. what is the true weight W (in kg) of the stone
Hydrogen molecules (with molecular mass 2.016 g/mol) in a specific gas have an average velocity vrms equal to 199m/s. What is the temperature of this gas, in kelvin?
A capacitor with C = 36.0 mF is placed in series with a 12.0-V battery and an inductor having L = 350 mH. What is the frequency of electromagnetic oscillations in the circuit
The position of an object as a function of time is r? =(3.2t+ 0.90 t2)i^+(1.7t? 1.2 t2)j^m, Find the object's magnitude of the acceleration and What is the direction of the acceleration
A viscous fluid is flowing through two horizontal pipes. They have the same length, although the radius of one pipe is three times as large as the other. what is the volume flow rate QB in the wider pipe
A 0.041 kg aluminum bullet traveling at 444 m/s strikes an armor plate and comes toa stop. If all its energy is converted to heat that is absorbed by the bullet, what is the bullet's temperature change in degrees Celsius?
If the mercury in this barometer is replaced with water, to what height does the column of water rise
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