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A plane wave of monochromatic light is incident normally on a uniform thin film of oil that covers a glass plate. The wavelength of the source can be varied continuously. Fully destructive interference of the reflected light is observed for wavelengths of 500 and 700 nanometers and for no wavelengths in between. If the index of refraction of the oil is 1.30 and that of the glass is 1.50, evaluate the thickness of the oil film.
A silver wire of diameter 1.0 mm carries a current of 140 mA. How long (on average) does it take for a conduction electron to move 1.0 cm along the wire
A frictionless pulley has the shape of a uniform solid disk of mass 6.00 and radius 28.0 . A 2.70stone is attached to a very light wire that is wrapped around the rim of the pulley(Figure 1) , and the stone is released from rest. As it falls down,..
A wheel rotating about a fixed axis has an angular position givenby θ = 3 - 2t3, where θ is measured in radiansand t in seconds. What is the angular acceleration of the wheelwhen t = 2.0 seconds?
An electromagnetic wave is travelling in vacuum along the horizontal or x-axis. It consists of an electric field of peak strength 2.1 x 10-5 V m-1 in the vertical direction or z-axis and a magnetic field. Find the peak strength of the magnetic fiel..
A 92kg astronaut and a 1200 kg satellite are at rest relative to the space shuttle. The astronaut pushes on the satellite, giving it a speed of 0.14m/s directly away from the shuttle. Seven-and-a-half seconds later the astronaut comes into contact wi..
Over a certain region of space, the electric potential is V = 4.2x-3.6x^2y+1.5yz^2. On scratch paper, What is the magnitude of the field at the point P
A 61 g red super ball traveling 13 m/s EAST has an elastic collision with a 66 g blue super ball traveling 10 m/s WEST. Discover the final speeds and directions for both of the super balls.
the acceleration due to gravity on mars is 3.8 ms2.a if the curiosity rover on mars drops a tool from a height of 2.25
a baseball is thrown such that it is in the air for 4 seconds and lands 100 m away. find the initial vertical and
A cosmic ray proton streaks through the lab with velocity 0.80c at an angle of 55° with the +x direction (in the xy plane of the lab). Compute the magnitude and direction of the proton's velocity
The intensity (in W/m2) of one sound is 5.46 times as great as the intensity of another sound. what is the intensity level of the louder sound
What is the ideal banking angle(in degrees) for a gentle turn of 1.20 km radius on a highway with a 105 km/h speed limit (about 65 mi/h)
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