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18.04. A point charge q1=+2.40 micro C is held stationary at the origin. A second point charge q2= -4.30 moves from the point x= 0.160 m, y= 0m , to the point = 0.275m , = 0.275m. How much work is done by the electric force on q2?
Consider a spacecraft in an elliptical orbit around the earth. At the low point, or perigee, of its orbit, it is 300km above the earth's surface; at the high point, or apogee, it is 2500km above the earth's surface. What if the rockets were fired ..
A 8.0mH inductor is connected in parallel with a variable capacitor. The capacitor can be varied from 180pF to 320pF. What is the minimum oscillation frequency for this circuit
Calculate the pressure at the center of pipe A. Suppose T = 10?C.
Two identical conducting spherical shells S1 and S2 carry charges Q1 and Q2, respectively, Determine the total charge on S1 and S2 after they are separated
Lillian (mass 32.0 kg) standing on slippery ice catches her leaping dog (mass 15 kg) moving horizontally at 2.0 m/s. Evaluate what is the speed of Lillian and her dog after the catch?
A charge of -3.9 micro-coulombs is launched from the positive plate of a large capacitor to the negative plate. At the positive plate, what is the distance between the plates
A tank of 0.5 m3 volume contains compressed air. A valve is opened and air escapes with a velocity of 220 m/s through an opening of 100 mm2 area. Find the rate of change of density of the air in the tank at this moment
Lightning occurs when there is a flow of electric charge (principally electrons) between the ground and a thundercloud. How much charge flows between the ground and the cloud
A 10 nC point charge is at the center of a 2.0m x 2.0m x 2.0 mcube. What is the electric flux through the top surface of the cube
If you had a single polarizer, how might you determine whether or not light from a room light was polarized when emitted from the bulb.
When a-particles with energy of 5MeV are scattered on a thin gold foil, it is found that 10,000 a-particles are scattered at an angle greater than 50o, How many will be scattered between 70o and 80o
A stone is dropped from rest from the roof of a 100-m high building; 2.00 s after that, a second stone is thrown straight down with initial speed v0, and the second stone passes the first stone 21.6 m above ground. What are the speeds of the two s..
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