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Visible light passes through a diffraction grating that has 900 slits per centimeter, and the interference pattern is observed on a screen that is 2.22 m from the grating.
In the first-order spectrum, maxima for two different wavelengths are separated on the screen by 3.22 mm. What is the difference between these wavelengths? Express your answer in meters.
The specific heat of a certain metal can be determined by measuring the temperature change that occurs when a piece of the metal is heated, What is the specific heat of the metal
Suppose a manufacturing plant has an average sound intensity level of 97.0 dB created by 25 identical machines. Find the total intensity created by all the machines
Two spherical drops of mercury each have a charge of 0.14nC and a potential of 310V at the surface. What is the potential at the surface of the new drop
What is the frequency of ultrasound in a medium if he wave length is 3.0 x 10^-3 m and velocity is 1300 mm/ms.
The heating element of a water heater in an apartment building has a maximum power output of 23 kW. what is the maximum possible temperature of the hot water
During 0.12 s, a wheel rotates through an angle of 2.34 rad as a point on the periphery of the wheel moves with a constant speed of 2.29 m/s
If you weigh 690 N on the earth, what would be your weight on the surface of a neutron star that has the same mass as our sun and a diameter of 25.0 km.
A 6.00 V storage battery is connected to three resistors, 7.00 ?, 15.0 ?, and 20.0 ?, respec- tively. The resistors are joined in series. What is the current in the circuit
What is the lift (in newtons) because of Bernoulli's principle on a wing of area 78m^2 if the air passes over the top and bottom surfaces at speeds of 260m/s and 150 m/s, respectively.
Assume that the sun runs out of nuclear fuel & suddently collapses to form a white dwarf star, with a diameter equal to that of the Earth. Estimate the new rotation period of the Sun.
A 0.25 kg skeet (clay target) is fired at an angle of 28 degrees to the horizontal with a speed of 25.0 m/s, How much higher, h, does the skeet go up
whose first two components are the polar coordinates of the horizontal displacement between the planes, and whose third coordinate is the vertical displacement between the planes. Consider east to be the positive x axis and north to be the positiv..
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