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a wavelength of light 625 nm passes during a single slit with a width of 0320mm and forms a diffraction pattern on a
near the surface of the earth a car is traveling at 15 ms on a horizontal road the brakes are applied and the car skids
some cordless telephones utilize radio waves with a frequency near 900 mhz to transmit to their base station what is
a grating has 787 lines per centimetre find the angles of the first three principle maxima above the central fringe
radar is utilized to scan for airplanes near an airport if an airplane is 13 km from the airport what is the round-trip
a ball have a mass of 005 kg its attached to a string of a 15m we make it turn in a circular way with a velocity of 80
an ice chest at a beach party contains 12 cans of soda at 241degc each can of soda has a mass of 035 kg and a specific
suppose that the steel gas tank in your car is completely filled when the temperature is 117 degc how many gallons will
two 20-cm-diameter disks spaced 20 mm apart from a parallel-plate capacitor the electric field between the disks is 50
a small light fixture is on the bottom of a swimming pool 075 m below the surface the light emerging from the water
a certain automobile engine is performing work at the rate of29400 w 39 hp by an efficiency of 22 at what rate is heat
unpolarized light in vacuum is incident onto a sheet of glass with index of refraction n the reflected and refracted
when responding to sound the human eardrum vibrates about its equilibrium position assume an eardrum is vibrating with
a person bounces up and down on a trampoline while always staying in contact with it the motion is simple harmonic
an 8-cm object is placed in front of a mirror which produces an inverted image that has a height of 16c m when the
it has been suggested that rotating cylinders about 90 mi long and 60mi in diameter be placed in space and utilized as
a 200 cm long solenoid of diameter 05cm is wound uniformly by few hundred turns a second coil with 100 turns is wound
water of mass 200 kg is heated when it is stirred with a paddle that exerts a constant force of 650 n on the water and
an illuminated slide is held 70 cm from a screen how far from the slide among the slide and the screen should a lens of
a ball is tossed with sufficient speed straight up so that it is in the air several seconds a what is the velocity of
when an object is placed 60cm in front of a converging lens a virtual image is formed 90 cm from the lens what is the
two converging lenses a with a focal length of 20cm and b with a focal length of 50cm are placed 14 cm apart an object
red light wavelength 700nm is diffracted by a single slit and the first intensity minimum the first dark fringe occurs
assume that by stirring 509 g of water you are able to increase its temperature from 190deg c to 210deg c discover the
when light of wavelength 350 nm falls on a potassium surface electrons are emitted having a maximum kinetic energy when