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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.
What will be the resulting speed of the boat. A 74 kg fireman slides down a 4-m pole by applying a frictional force of 384 N against the pole with his hands. If he slides from rest, how fast is he moving once he reaches ground.
a person moves a full sam's club shopping cart mass=80.0 kg from rest to a velocity of 1.30 m/s over a distance of 1.80 meters to secure a spot in check out line. Determine the change in the chart's momentum
A water slide launches a child horizontally above a swimming pool. How far from the launch point does the child land in the water
One mole of a ideal gas initially at temp To=0C undergoes an expansion at a constant pressure of 1atm to four times it original volume
Du Pont and net income Ebersoll Mining has $6 million in sales; its ROE is 12 percent; and its total assets turnover is 3.2 . The company is 50 percent equity financed. Illustrate what is its net income?
A 70 kg bicyclist rides his 7.8 kg bicycle with a speed of 16 m/s. How much work must be done by the brakes to bring the bike and rider to a stop.
Light enters a substance from air at 30 degrees to thenormal. It continues through the substance at 23 degrees tothe normal. What would be the critical angle for this substance
A electric wire with 3.85A current is placed in a magnetic field of strength .97T. What is the force on the wire
For a damped simple harmonic oscillator, the block has a mass of 2.2 kg and the spring constant is 13 N/m. The damping force is given by -b(dx/dt), How many oscillations are made by the block in this time
Two narrow paralle slits illuminated by tellow light with a wavelength of \lambda = 600 nm produce fringes with a separation of 0.50 mm on a screen 2m away,
Two speakers emit sound waves with frequency of 418 Hz. They are driven by the same oscillator so that they are in phase with each other. How far apart are the antinodes in that standing wave
how fast was the car going on the table. find the vertical and horizontal components of the pendulum's displacement.
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