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A fine metal foil separates one end of two pieces of opticallyflat glass. When light of wavelength 670 nm is incident normally,28 dark lines are observed (with one at each end). How thick is the foil?
a ray of light traveling through the air has an angle of incidence of 30 degrees on a block of glass, find speed of light on the block of glass
A monochromatic beam of light of wavelength 720 nm is incident normally on a diffraction grating with 4,000 lines/cm. What is the angle for the first order maximum
A child throws a rock horizontally off of a 7m building with a velocity of 17 m/s/ East. How far away from the building will the rock land
Atlas and hercules, two carnival sideshow strong men, each lift200kg barbells 2.00m off the ground. Calculate which man is more powerful
Your radio station needs a new coaxial cable to connect the transmitter and antenna. One possible cable consists of a 2.0mm diameter inner conductor and an outer conductor with diameter 1.6cm and negligible thickness (see the figure); the maximum saf..
A 0.50 mass is attached to a spring with a force constant of 27 and released from rest a distance of 3.3 from the equilibrium position of the spring. How far is the mass from the equilibrium position
Two disks are mounted on frictionless bearings on the same axle and can be brought together so that they couple and rotate as one unit. what is the angular speed after coupling
A large tank is filled with methane gas at a concentration of 0.690 kg/m3 The valve of a 1.37-m pipe connecting the tank to the atmosphere is inadvertently left open for eleven hours. What is the cross-sectional area of the pipe
A beam of gamma rays from a distant galaxy is observed through two polarizing filters whose transmission axis is at a 45 degree angle relative to each other here on earth. What is the intensity of the output beam
The following charges are located inside a submarine: 2.80 µC, ?9.00 µC, 27.0 µC, and ?76 µC. Calculate the net electric flux through the hull of the submarine
A 954 kg drag race car accelerates from rest to 113 km/h in 0.919 s. What change in momentum does the force produce
A 5 kg block is placed near the top of a frictionless ramp, which makes an angle of 30o degrees to the horizontal. Find the maximum compression of the spring
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