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Positive charge +Q is uniformly distrubted around a quarter circle of radius R in the 1st quadrant, and negative charge -Q is uniformly distributed around a quarter circle of radius R in the 4th quadrant. (a) Determine the x and y components of the electric field at the origin. Show all details of the setup and integration. You may use symmetry to reduce the number of integrals to be set up. (b) A positive point charge +q is placed at theorigin. Determine the x and y components of the electric froce at this point charge.
A 2.0 ? resistor is connected across a 6.0 V power supply. An ammeter with internal resistance of 1.0 ? is used to measure the current in this circuit. What is the ammeter reading
There are two categories of ultraviolet light. Ultraviolet A ( UVA ) has a wavelength ranging from 320 nm to 400nm. What are the ranges of the wave numbers for UVB
Jane looking for tarzan, is running at top speed (5.7m/s) and grabs a vine hanginf vertically from a tall tree in the jungle. How high can she swing upward
A stretched spring stores 2.2 of energy. How much energy will be stored if the spring is stretched three times as far
White light reflected at perpendicular incidence from a uniform soap film has an interference maximum at 480.0 nm, what is the film thickness
A 2.95-kg block initially at rest at the top of a 3.69-m incline with a slope of 42.7° begins to slide down the incline. How fast is the block moving at the bottom of the incline
Charges of 3.00 nC, -2.00 nC, -7.00 nC, and 1.00 nC are contained inside a rectangular box with length 1.00 m, width 2.00 m, and height 2.50 m. Outside the box are charges of 1.00 nC and 4.00 nC. What is the electric flux through the surface of th..
A top is a toy that is made to spin on its pointed end by pulling on a string wrapped around the body of the top. What is the final angular velocity of the top
A 38 ohm resistor is made from a coil of copper wire whose total mass is 11.2 g. Find out the length and diameter of the wire.
A +10uC charge is 20cm away from a -40uC charge. Detrmine the field of intensity
The focal length of the eyepiece of a certain microscope is 18.0 mm. The focal length of the objective is 7.8 mm. find the overall angular magnification of the microscope
A capacitor is connected across the terminals of an ac generator that has a frequency of 370 Hz and supplies a voltage of 15 V. When a second capacitor is connected in parallel with the first one, the current from the generator increases by 0.27 A. D..
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