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You are making a diffraction grating that is required to separate the two spectral lines in the sodium D doublet, at wavelengths 588.9950 and 589.5924 nm, by at least 1.2 mm on a screen that is 65 cm from the grating. The lines are to be ruled over a distance of 1.2 cm on the grating. What is the minimum number of lines you should have on the grating?
A 1.83-kg solid sphere (radius = 0.141 m) is released from rest at the top of a ramp and allowed to roll without slipping. What is its rotational kinetic energy
At some automobile toll-collecting stations, the thin metal wire sticks up from the road and makes contact with cars before they reach the toll collector. What is the reason of this wire.
In a fast-pitch softball game the pitcher is impressive to watch, Determine the angle of the total acceleration relative to the radial direction
A defibrillator consists of a 15.3-µF capacitor that is charged to 8.4 kV. What is the average power delivered to the tissues
A torsion pendulum is constructed of a copper rod of radius 3 mm and length 50 cm. what is the period of oscillation
Calculate the wavelength ?1 for gamma rays of frequency f1 = 6.40×10^-14 Now express this gamma-ray wavelength in nanometers
Assuming the Earth's magnetic field averages about 0.50×10?4 T near Earth's surface, estimate the total energy stored in this field in the first 7.0km
At its highest temperature, a space heater has a resistance of 15.5 ?, What is the average power output of the space heater
What is the IMA of the jack.
A tennis player receives a shot with the ball (0.0600 kg) traveling horizontally at 56.0 m/s and returns the shot with the ball traveling horizontally at 42.0 m/s, What work does the racket do on the ball
What is the range of frequency of the light emitted by the hydrogen atom
A drop of water on a countertop reflects light from a flower held 3.10 cm directly above it. What is the focal length of the water drop
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