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The hydrogen spectrum has a red line at 656 nm and a violet line at434 nm. What angular separation between two spectral lines obtainedwith a diffraction grating that has 4880lines/cm? (Assume that the light is incident normally on thegrating.)
first order separationsecond order separation
A 12 volt battery is connected in series with a 100,200 and 300 resistors. Find the current in the loop and the voltage drop across each resistor
A loudspeaker in a parked car is producing sound whose frequency is 20930 Hz. what is the minimum speed of the moving car
A communications satellite with a mass of 430 is in a circular orbit about the Earth. Calculate the gravitational force exerted on the satellite by the Earth when it is in orbit
The Barringer meteor crater in northern Arizona is 180m deep and 1.2 km in diameter. The fragments of the meteor lie just below the bottom of the crater. what was the meteor's speed at impact
Two identical twins are falling toward the ground. The twin in the green jumpsuit is going down head first, Which twin reaches the fastest terminal velocity
question1drop solid sphere of aluminium into a bucket of water sitting on ground. the buoyant force equals weight of
The bullet becomes embedded in the block. If the bullet-block system compresses the spring by a maximum of 88.0 cm, what was the speed of bullet at impact with the block.
Calculate the angle of refraction at the first surface
A rifle with a barrel length of 61.0 cmfires a 10.0 g bulletwith a horizontal speed of 360 {\rm m/s}. How long does it take the bullet to come to rest
an elevator mass 4900 is to be designed so that the maximum acceleration is 6.30times10-2.what is the maximum force
The distance between the lenses in a compound microscope is 18 cm. The focal length of the objective is 1.5 cm. what must be the focal length of the eyepiece
A 0.016-kg bullet traveling at 203.6 m/s east hits a motionless 1.9-kg block and bounces off it, retracing its original path with a velocity of 100.7 m/s west. What is the final velocity of the block
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