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Two rectangular pieces of plane glass are laid one upon the other on a table. A thin strip of paper is placed between them at one edge, so that a very thin wedge of air is formed. The plates are illuminated at normal incidence by 546nm light from a mercury-vapor lamp. Interference fringes are formed, with 15.0fringes/centimeter .
Find the angle of the wedge?
A certain superconducting magnet in the form of a solenoid of length 1.20 m can generate a magnetic field of 11.0 T in its core when its coils carry a current of 145 A. Find the number of turns in the solenoid
Heat engines take input energy in the form of heat, use some of that energy to do work, What is the magnitude of the internal energy that the athlete uses in order to do 9.7x104 J of work
1.7 kilograms of water are changed from ice at 0?C into liquid water at 0?C, determine the change in mass of the water
To save on heating costs, the owner of a green house keeps 680 kg of water around in barrels. What is the minimum ampere rating of an electric heating system (240 V) that would provide the same heating effect as the water does
The work function for a metal is 3.8 eV. What is the minimum photon frequency that can just eject an electron from the metal
a tennis ball is fired from a gun that us mounted on the floor. the tennis ball has an initial speed Vo= 25.0m/s, what is the speed of the tennis ball when it reaches your racket
What is the fractional change in the period of the pendulum.
If the intensity of the electromagnetic radiation produced by the Sun is about 1.4 kW/m2 near the Earth, what size would a sail have to be to accelerate a spaceship with a mass of 11.9 metric tons at 1.39 m/s2
Object A is metallic and electrically neutral, Object B is identical to object A and is also electrically neutral, It is charged by induction so that it acquires a charge of +3.18E-6 C
The far point of a nearsighted person is 5.0 m from her eyes, and she wears contacts that enable her to see distant objects clearly. How high is the image formed by the contacts
You and a friend are bicycling from Sprindale to Bentonville. You maintain a constant speed for the entire distance trip. Your friend, Who gets to Bentonville first
Relationships between wavelength, frequency and speed.
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