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the velocity of light c is 3x108 ms an am radio station is at 1500 khz on the radio dial what is the wavelength of the
how long does it take light to travel 300000 km in a vacuum how far would a body near the surface of the earth fall in
an electron is accelerated through 165 x 103 v from rest and then enters a uniform 130-t magnetic fielda what is the
volume of a certain mass of a gas is desired to be decreased by 25 of the initial volume of 10l at 15 bar and room
a uniform disk with mass 431 kg and radius 0230 m is pivoted at its center about a horizontal frictionless axle that is
an automobile having a mass of 1000 kg is driven into a brick wall in a safety test the bumper behaves like a spring
in a pole sliding game among friends a 90kg man makes a total vertical drop of 70m while gripping the pole which exerts
a 1000kg car coasting at 720kmh on a level frictionless road comes to a 15 degree incline calculate how far the car
a 600kg athlete runs up a flight of 25 steps each 20ocm high in 100s calculate the work done by gravity on the athlete
a block of ice with a mass of 3000kg is being pulled along a horizontal surface by a force f300n at 30 degrees
a ball is kicked horizontally of the roof of a 100-ft high building at a speed of 18 ftsec determine the angle in which
you take a set of measurements for the wavelengths and frequencies of standing waves on a string that is under a
a laser beam is traveling through an unknown substance when it encounters a boundary with air the angle of reflection
a hydrogen atom makes a transition from the n 2 level to the ground state corresponding to n 1find the wavelength and
a semicircular section of roller coaster track radius34m is designed to be able to provide up to 140kn 14x105n of
a sample of tap water consists of water fluoride ions calcium ions and several other dissolved ions the ions are evenly
a proton moving at 390 x 106 ms through a magnetic field of magnitude 176 t experiences a magnetic force of magnitude
an insect that is 530 mm long is placed 89 cm from a converging lens with a focal length of 120 cma what is the
calculate the concentration of io3 in a 756 mm pbno32 solution saturated with pbio32 the ksp of pbio32 is 25x10-13
complete the following problems using dimensional analysis balance all of the equations that need to be balanced the
a uniform 1200n beam that is 350 m long is suspended horizontally by two vertical wires at its ends a small but dense
1 why is gravity filtration rather than suction filtration used to remove suspended impurities and charcoal from a hot
what is the meaning of a ground speed justify why the ground speed is different from air speed will there ever be