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if an x-ray beam of wavelength 14 times 10-10 meter makes an angle of 20 degree with a set of planes in a crystal
a coil is wrapped with 282 turns of wire on a square frame with sides 122 centimeter a uniform magnetic field is
a capacitor of capacitance c 45 microf is initially uncharged it is connected in series with a switch of negligible
consider a square which is 1 meter on a side charges are located at the corners of the square as follows 40 microc at 0
light of wavelength 500 nanometer is incident on a thin sheet of plastic film n 150 in air determine the thinnest the
a 120 volt rms voltage at 60 hertz is applied across an inductor capacitor and a 100 ohm resistor in series if the
light with a wavelength of 390 nanometer shines on a metal surface which emits electrons the stopping potential is
a solenoid 3 centimeter long consists of 2636 loops of wire if the magnetic field inside the solenoid is 30 t find the
a homemade capacitor is assembled by placing two 9-in pie pans 7 centimeter apart and connecting them to the opposite
the heat of fusion of ice is 335 jg when 50 g of ice at 0oc is added to 150 g of water at 45oc determine what is the
it takes 20 joule of energy to move a 030-mc charge from one plate of a 15 microf capacitor to the other ignore the
a soccer ball floats in a pond of pure water the ball has a mass of 03 kilogram and a circumference of 70 centimetera
your telescope has an objective lens with a focal length of 11 meter you point the telescope at the moon only to
two lenses one converging with focal length 22 centimeter and one diverging with focal length 12 centimeter are located
a 045 meter metal rod moves 011 meter in a direction that is perpendicular to a 080 t magnetic field in an elapsed time
a circular coil of wire has 25 turns and has a radius of 0075 meter the coil is placed in a variable magnetic field
an 390 millimeter tall object is 21 centimeter from the center of a silvered spherical glass christmas tree ornament
a football is kicked across a level field the ball spends 227 s in the air and lands 748 meter from the point where it
a football is kicked across a level field the ball spends 253 s in the air and lands 559 meter from the point where it
neutron stars consist only of neutrons and have unbelievably high densities a typical mass and radius for a neutron
a scalloped hammerhead shark swims at a steady speed of 18 meter per second with its 80 centimeter wide head
an ambulance is driving away at 70 kilometer per hour it emits a siren sound with rest frequency of 2400 hertz find
the depth of an ocean is approximately 4 kilometer we are searching underwater using sonar which detects its own sound
an 80 magnitude seismic wave is traveling to a city which is 100 kilometer away the amplitude frequency and wavelength
an astronomical telescope has an objective lens with a focal length of 74 centimeter and a 38 d eyepieceevaluate the