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Air isn't a perfect electric insulator, but it has a very high resistivity of 3x10^13 omega*m. Dry air has a resistivity of approximately . A capacitor has square plates 10cm on a side separated by 1.2mm of dry air. If the capacitor is charged to 250V, what fraction of the charge will flow across the air gap in 1minute? Make the approximation that the potential difference doesn't change as the charge flows.
Suppose that in the same Atwood setup another string is attached to the bottom of m1 and a constant force f is applied, retarding the upward motion of m1. If m1 = 4.80 kg and m2 = 9.60 kg, what value of f will reduce the acceleration of the system..
Approximation the force a person should exert on a string attached to a 0.130 kg ball to make the ball revolve in a horizontal circle of radius 0.600 m.
Now suppose that the two masses continue to move at the speed from Part A until they encounter a rough surface. The coefficient of friction between the masses and the surface is . If the blocks come to rest after a distance, which of following equ..
Two balls with a net charge of - 4.0 ?C and + 10.0 ?C are separated by 2 cm. What is the electrostatic force on the positive charge
52 cm3 of gasoline are mixed with 40 cm3 of water. What is the average density of the mixture
Calculate the radius of the path, direction of the force experienced by the electron and the path of the electron through the magnetic field.
At one instant a bicyclist is 28.0 m due east of a park's flagpole, going due south with a speed of 11.0 m/s. Then 24.0 s later, the cyclist is 26.0 m due north of the flagpole, going due east with a speed of 11.0 m/s. For the cyclist in this 24.0 s ..
A seed shoots out from the pod with the speed of 2.6m/s but with a direction of motion 30° below the horizontal. The seed pod is initially 1.1m above the ground.
If a curve with a radius of 87 is perfectly banked for a car traveling 67 , illustrate what must be the coefficient of static friction for a car not to skid when traveling at 84 ?
A 28 mH inductor in series with a resistance of 35 omegacap.gif is connected to a source whose voltage is script E = 340 V cos 150?t, Determine the average power dissipation
find out the magnitude of the gravitational force exerted by one on the other.
Two capacitors (C1=1.00 ?F and C2=2.00 ?F) are charged with Q1=3.00 ?C on the positive plate of capacitor 1 and Q2=3.00 ?C on the positive plate of capacitor 2, the total charge on the positive plate of capacitor 1
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