Laser beam of wavelength
A laser beam of wavelength 537 nm is incident on two slits 0.263 mm apart. How far apart are the bright interference fringes on a screen 7.59 m away from the double slits?
Answer in units of cm.
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An electron confined in a one-dimensional box is observed, at different times, to have energies of 12 {rm eV}, 27 {rm eV}, and 48 {rm eV}. What is the minimum length of the box?
If 41 grams of hot water at 75°C is poured into a cavity in a very large block of ice at 0°C, what will be the final temperature of the water in the cavity?
A 1200 kg car carrying four 84 kg people travels over a rough "washboard" dirt road with corrugations 4.0 m apart which causes the car to bounce on its spring suspension. The car bounces with maximum amplitude when its speed is 19 km/h
The volume of a gas is changed along the curved line between A and B in the drawing below. Do not assume that the curved line is an isotherm or that the gas is ideal. (a) Find the magnitude of the work for the process, and (b) determine whether th
Suppose you walk 3.97 m down a 30° incline while holding a 1.05 kg block. The 3.97 m distance is measured as a displacement along the incline; not as a vertical change in height. How much work do you do on the block as you walk down the inclin
Waves from a radio station have a wavelength of 358 m. They travel by two paths to a home receiver 15.7 km from the transmitters. One path is a direct path, and the second is by reflection from a mountain directly behind the home receiver. What is
If you weigh 700N on the earth, what would you weigh on the surface of a neutron star that has the same mass as our sun and a diameter of 20.0 ?
During a circus performance, a 71-kg human cannonball is shot out of an 17-m-long cannon. If the human cannonball spends 1.04 s in the cannon, determine the average net force exerted on him in the barrel of the cannon.
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