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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
What's your normal body temperature? It may not be 98.6°F, the oft-quoted average that was determined in the nineteenth century. What is the difference between these averages
A rocket moves upward, starting from rest with an acceleration of 29.9 m/s2 for 3.31 s. It runs out of fuel at the end of the 3.31 s but does not stop. Evaluate how high does it rise above the ground?
The density of free electrons in gold is 5.90 x 10^28 m-3. The resistivity of gold is 2.44 x 10-8 at a temperature of and the temperature coefficient of resistivity is 0.004 ()-1. A gold wire, 1.30mm in diameter and 27cm long, carries a current of..
a bar magnet is falling vertically through a horizontal loop of wire with the south magnetic pole entering the? loop
A 270- kg load is lifted 22.0 m vertically with an acceleration a=0.130 g by a single cable. Determine the tension in the cable. Determine the net work done on the load. Determine the work done by the cable on the load. Determine the work done by gra..
Find out the relative rates at which clocks go at two different distances r1 and r2 from the center of the earth.
An old oaken bucket of mass 6.75 kg hangs in a well at the end of a rope. The rope passes over a frictionless pulley at the top of the well, How much work does gravity do on the bucket
A diagnostic ultrasound echo is reflected from moving blood and returns with a frequency 314 Hz higher than its original 2.00 MHz. What is the velocity of the blood
A particle with negative charge and mass = 2.50×10?15 is traveling through a region containing a uniform magnetic field. Determine the cyclotron frequency of the particle
A daredevil is shot out of a cannon at 43 degrees to the horizontal with an initial seed of 25m/s. A net is positioned at a horizontal distance of of 50m from the cannon from which it is shot. At what height above cannon should the net be placed i..
A uniform magnetic field is perpendicular to the plane of acircular loop of diameter 8.6 cm formed from wire of diameter 1.9mm and resistivity of 2.12 x 10-8Ω·m. Atwhat rate must the magnitude of the magnetic field change to inducea 14 A current in..
At high altitudes, water boils at a temperature lower than 100.0° C due to the lower air pressure. What activation energy does this rule imply for the chemical reactions
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