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A diffraction grating has a spacing of 350 lines per mm and sits L = 47.7 cm from a screen. If the distance to the m = 4 maximum is x4 = 657 mm then what is the wavelength of the laser?
An observer sees two spaceships moving in opposite directions, Find the speed of one spaceship relative to the other
an emersion heater is used to boil water. assuming no heat escapes from the system, how much power must the emersion heater dissipate in order to boil five grams of water into fives grams of steam in ten minutes at standard atmospheric pressure?
How much work the power plant produces in a day. How much energy is discarded to low temperature source in a day.
Suppose you hold a f=5.0 cm magnifying glass 3.0 cm from a 2.0 mm high ant. how large is the image of the ant
laser beam is incident at an angle of 28.4° to the vertical onto a solution of corn syrup in water. If the beam is refracted to 19.04° to the vertical, what is the index of refraction of the syrup solution
A generator supplies 120 V to a transformer's primary coil, which has 44 turns. If the secondary coil has 490 turns what is the secondary voltage
A long solenoid has 80 turns/cm and carries current i. An electron moves within the solenoid in the circle of radius 3.10 cm perpendicular to the solenoid axis. The speed of an electron is 0.0330c (c = speed of light). Find current i.
A boy is trying to retrieve his toast from a toaster using a metal knife. He touches one of the wires inside, which is connected to 120 V. What is the current through his body
A force that varies linearly with time according to a relation F = 4t N is applied to an object travelling with a speed of 16-m/s. If the force decelerates the object to a complete stop in 5s, determine the object's mass. Imagine the force is at f..
Electrons in a photoelectric experiment emerge from an aluminum surface with a maximum kinetic energy of 1.3eV
What is a quantum well: give an example of structure, growth method to make quantum wells and quantum states i.e. outline quantization using diagrams
A ship travels 155 km from the port on a course of 35 degrees south of west to an island, then it travels 142 km east of south to a second island, Find the displacement from the starting point to the ending point
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