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The equilateral triangle of side I m as shown below.
(a) Calculate the net force on the top charge only (magnitude and direction).
(b) Calculate the total work done in bringing the charges from infinity to this configuration.
(C) Use Gauss?s law to calculate the total electric flux through an imaginary surface enclosing the charges (dashed line in figure).
A rocket is fired at an angle from the top of a tower of height h0 = 55.7m. What is the position vector of the rocket 15.0s after it is fired
A 1.83 kg book is placed on a flat desk. Suppose the coefficient of static friction between the book and the desk is 0.422 and the coefficient of kinetic friction is 0.229. How much force is needed to begin moving the book
A stone is dropped from a cliff; 2.08 s later another stone is thrown downward with an initial speed of 31 m/s. Find the height of the cliff
a double slit is illuminated with 656.3 nm light the screen is located 80 cm from the slits, which are separated by 0.180mm. calculate the fraction of the maximum intensity 0.6 cm from the central maximum.
A 145 gram baseball is dropped from a tree 14.0 meter above the ground. If it hits the ground with a speed of 8.00 m/s, obtain the average force of air resistance exerted on it
at the center of a 59-m-diameter circular ice rink a 77 kg skater traveling north at 2.45 ms collides with and holds
Magnus has reached the finals of a strength competition. In the first round, he has to pull a city bus as far as he can. One end of a rope is attached to the bus, how much work does the tension force do on Magnus
If the converging lens in a slide projector has a focal length of 104.00 mm and the slide is located 109 mm from the lens, Determine the dimensions of the image of the slide
The Balmer series in atomic hydrogen is the series of wavelengths emitted by the electron when it makes a transition from an energy level with n > 2 to the n = 2 level, Find the four largest wavelengths in the Lyman series
Suppose that 0.0025 m^3 of gas in a cylinder is compressed by a piston down to 0.001 m^3 while 675 J of heat flows out of the gas. what was the change in its internal energy
For high frequency sounds, the ear's principle method of localization is the difference in intensity sensed by the two ears. why can't the ear reliably use this method for low-frequency sounds? doesn't the head cast a "sound shadow" regardless of ..
A satellite rotates around earth in a circular movement. The radius of the satellite is 5 times the radius of the earth. What is the magnitude of velocity of the satellite
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