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A charge of +q is located at the origin, while an identical charge is located on the xaxis at x = 0.47 m. A thirdcharge of +2q is located on the x axis atsuch a place that the net electrostatic force on the charge at theorigin doubles, its directionremaining unchanged. Where should the third charge be located?x = 1________m
A thin film of alcohol (n = 1.36) lies on a flat glass plate (n = 1.51). When monochromatic light, find the minimum thickness of the film
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. The string has a length of 72 cm and is wrapped around the top at a place where its radius is 2.3 cm. The thickness of the string is neg..
A large cylindrical water tank is mounted on a platform with its central axis vertical. The water level is 3.75 m above the base of the tank, and base is 6.50 m above the ground. A small hole 2.23 mm in diameter has formed in the base of the tank. Bo..
A jetliner is moving at a speed of 235 m/s. The vertical component of the plane's velocity is 42.9 m/s. Evaluate the magnitude of the horizontal component of the plane's velocity.
The rms electric field of an electromagnetic wave increases from 320 to 960 N/C. (a) Determine the wave intensities for the two values of the electric field. (b) What is the rms magnetic field associated with each electric field? (c) Determine the wa..
A 53.5 kg pole vaulter running at 11.4 m/s vaults over the bar. Her speed when she is over the bar is 1.14 m/s. determine her altitude as she crosses the bar
If an R = 1.0-k? resistor, a C= 1.0-µF capacitor, and an L = 0.20-H inductor are connected in series with a V = 150 sin (377t) volts source
A spinning flywheel has rotational inertia I = 403.9 kg · m2. What is the frictional torque acting
Two identical parallel-plate capacitors, each with capacitance C, are charged to potential difference ?V and then disconnected from the battery. Find the potential difference across each capacitor after the plate separation is doubled
Two stationary positive point charges, charge 1 of magnitude 3.50 nC and charge 2 of magnitude 1.50 nC , are separated by a distance of 31.0 cm. What is the speed (Vfinal) of the electron when it is 10.0 cm from charge 1
An object of length 3 cm is inside a plastic block with index of refraction 1.40. If the object is viewed through the top surface of block at a non-zero angle from the normal, where is an object relative to its image.
A pipe open at one end has a fundamental frequency of 256 Hz. A second pipe,identical to first pipe, is shortened by cutting off a portion of the open end. When both pipes vibrate at their fundamental frequencies, a beat frequency of 12 Hz is heard..
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