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Two is otropic point sources of light (S1 andS2) are separated by a distance d = 250μm along a yaxis and emit in phase at wavelength 841nm and at the sameamplitude. A light detector is located at point P at coordinate xp on the x axis. What is the greatest value of xp in microns at which the detected light is minimum dueto destructive interference?
A silver wire has resistivety p = 1.62x10^-8 ?m ana cross sectional area of 5.00 mm^2. what is the displacement current in the wire
A whale swims due east for a distance of 1.5 km, turns around and goes due west for 5.7 km, and finally turns around again and heads 4.5 km due east. (a) What is the total distance traveled by the whale? km (b) What are the magnitude and direction..
A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a uniform speed of 4.0 m/s, How long does it take him to catch his opponent
A surveyor is using a magnetic compass 5.8 m below a power line in which there is a steady current of 88 A. What is the magnetic field at the site of the compass due to the power line
a what is the entropy change of a 15.2 g ice cube that melts completely in a bucket of water whose temperature is just
An abstract sculpture is constructed by suspending a sphere of polished rock along the vertical with four cables connected to a square wooden frame 1.1 m on a side. If the stone has mass m = 7.5 kg, and the bottom two cables are under a tension of..
A spherical shell of radius 15cm carries 4.8uC , distributed uniformly over its surface. At the center of the shell is a point charge. What is the field just inside the shell
The force of the wind on a small sail boat is 500 N northeast (45 degrees N of E). If the drag if the keel is 250 N acting west, what is the acceleration of the boat
He is unable to get to the other side because of a lack of friction between his shoes and the ice. How long does it take him to reach the south shore
The wheel on an upside-down bicycle moves through 17.5 rad in 5.10seconds. what is the wheel's angular acceleration if its initialangular speed is 1.0 rad/s? answer in units of rad/s2
Power windmills turn in response to the force of high-speed drag. For a sphere moving through a fluid, the resistive force, FR is pro- portional to r2v2, where r is the radius of the sphere and v is the fluid speed.
The attractive electrostatic force between the point charges 7.35x10^-6C and Q has a magnitude of 0.400N when the separation between the charges is 2.92m. Find the sign and magnitude of the charge Q.
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