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Red light from three separate sources passes through a diffraction grating with 5.50×105 lines/m. The wavelengths of the three lines are 6.56 (hydrogen), 6.50 (neon), and 6.97 (argon). Calculate the first-order diffraction lines of each ot these sources.
Highg power lasers in factories are used to cut through cloth and metal. One such laser has a beam diameter of 1.50 mm, Find the power delivered by the laser
On a frictionless table, a glob of clay of mass 0.24 kg strikes a bar of mass 1.34kg perpendicularly at a point 0.38m from the center of the bar and sticks to it. If the bar is 1.14 m long and the clay is moving.
Charges of 4.0 µC and -6.0 µC are placed at two corners of an equilateral triangle with sides of 0.10 m. At the third corner, what is the electric field magnitude created by these two charges
An 1150-kg car pulls a 450-kg trailer. The car exerts a horizontal force of 3.8 x 103 N against the ground in order to accelerate. What force does the car exert on the trailer
A 76.1-%u03A9 resistor is connected in parallel with a 125.6-%u03A9 resistor. find the power dissipated in the 125.6-%u03A9 resistor
An electron is accelerated from rest by the potential difference of 461 V. It then enters a uniform magnetic field of magnitude 184 mT with its velocity perpendicular to the field. Calculate (a) speed of the electron and (b) radius of its path in ..
A person who weighs 653 N is riding a 100-N mountain bike. Suppose the entire weight of the rider and bike is supported equally by the two tires
One side of the roof of a building slopes up at 37.0°. A roofer kicks a round, Determine the maximum height the rock reaches above the point where it was kicked
Suppose that the dipole moment associated with an iron atom of an iron bar is 2.7 x 10-23 J/T. Assume that all the atoms in the bar, What is the dipole moment of the bar
question. no 1a light bulb is connected to a 260v potential and produces 120-watts of light and heat. what is the
A hand-cranked AC generator is used to cause 0.65 A of current (rms), What is the minimum average rate at which work must be done on the generator
What will be the lowest possible temperature to which very dry air at T=40 C can be cooled by evaporation. Consider p=1000mb and lv constant and equal to 2.4 x 106 J kg-1.
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