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1) In the figure below, the work done by the electrostatic force as the test charge (q0 = 2 μC) moves from A to B is WAB = 5x10-5 J. Find the difference in the electric potential energies of the charge between these points and the potential difference εV between the points.
2) The capacitance of an empty capacitor is 1.2 μF. The capacitor is connected to a 12 V battery and charged up. It is then connected to a second capacitor of capacitance C. The final voltage of both capacitors is 6 V. What was the capacitance C?
3) A spark plug in a car engine consists of two metal conductors that are separated by a distance of 0.75 mm. When an electric spark jumps between them, the magnitude of the electric field is 4.7 x 107 V/m. What is the magnitude of the potential difference εV between the conductors?
A place-kicker must kick a football from a point 36.0 m (about 40 yards) from the goal. By how much does the ball clear or fall short (vertically) of clearing the crossbar
an object has initial velocity in the upward direction a final velocity in the downward direction and undergoes
A 2.50 x 10^-6 F capacitor is charged to 754V and a 6.80 x 10^-6 F capacitor is charged to 563V, Determine the potential difference across the second capacitor
A rifle bullet is fired at an angle of 30º below the horizontal with an initial velocity of 800 m/s from the top of a cliff 80 m high. How far from the base of the cliff does it strike
Write an essay of 500 words, giving examples on the use of Kirchhoff's Current Law.
The angular momentum of a particle relative to a certain point O varies with time as M = a +bt2, where a and b are constant vectors, with a? Find the force moment N relative to the point O acting on the particle when the angle between the vectors ..
When a block slides across a floor, what is the direction of the frictional force acting on the block from the floor? in the direction of the sliding. opposite the direction of the sliding
how large is the image of the sun on film used in a camera with a 27 mm focal-length lens? the sun has diameter 1.4 x
A cord is used to vertically lower an initially stationary block of mass M = 40 kg at a constant downward acceleration of g/3. Find the work done by the cord's force on the block
A 3.6cm -diameter isolated metal sphere carries a net charge of 0.90uC. What is the potential at the sphere's surface
if an acoustic wave from an echo sounder on a ship take .30 seconds to reach the sea-floor and reflected wave returns to the boat in .30seconds how deep is the water.
A small circular hole 5.00 mm in diameter is cut in the side of a large water tank, 13.0 m below the water level in the tank. Find the speed at which the water shoots out of the tank
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