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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
romeo and juliet want to elope it is a cold italian day with ice on the ground the coefficient of static friction
assuming that a neutron star has the same density as a neutron 40 x 1014 gcm3 calculate the mass in kg of a small piece
a current of constant density j0 flows through a very long cylindrical conducting shell with inner radius a and outer