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a one kilogram rocket is launched into the air at a 45o angle after traveling 100 m when its speed was 50 ms it breaks
an object and its lens-produced real image are 24 meter apartif the lens has 55-centimeter focal length find the
a satellite that has a mass of 300 kilogram moves in a circular orbit of 500 x 107 meter above the earths
a thin film of acetone n 125 coats a thick glass plate n 158 white light is incident normal to the film in the
the owner of a van installs a rear-window lens that has a focal length of -0302 meter when the owner looks out through
two skaters one with mass 65 kilogram and the other with mass 40 kilogram stand on an ice rink holding a pole of length
in the hammer throw a competitor whirls a 725 kilogram ball on at ether around in a slanted circle and releases it on
the volume of a monatomic ideal gas increases by a factor of 4 in an adiabatic expansion determine by what factor does
a loudspeaker sounds a 600 hz tone find the difference in the wavelength of the sound waves produced in air at -5degc
a glider of 500gram is 10centimeter above the table at the beginning of its motion and 6centimeter above the table at
a building is about 336 meter high determine by energy considerations the kinetic energy of a 10 kg object after it has
a certain brand of hot dog cooker works by applying a potential dissimilarity 120 v to opposite ends of the hot dog and
a 360 kilogram object is supported on a wire attached to a 15-meter long steel bar that is pivoted at a vertical wall
a block is connected between two springs on a frictionless horizontally level track the other end of each spring is
a spring is attached to an overhead beam if you put a mass of 170 gram on it and it proceeds to stretch a distance of 7
the density of ice is 920 kgm3 and that of sea water is 1030 kgm3 find what fraction of the total volume of an ice berg
a thin spherical shell of mass 0400 kilogram and diameter 0250 meter is filled with alcohol rho 806 kgm3 it is then
a large gate weighing 200 newton is supported by hinges at the bottom and top and is further supported by a wirea
an originally uncharged 10muf capacitor is charged by a 10 v battery through a resistance r the capacitor reaches a
a color tv is in a room where the approximate magnitude of the earths magnetic field is 00500 mt suppose that the
a small particle with a mass of 26 times 10-20 kilogram is oscillating with simple harmonic motion with a period of
the accommodation limits for nearsighted nicks eyes are 200 cm and 790 cm when he wears his glasses he is able to see
a uniform string of length 2 m hangs from two supports of the same height 1 m apart by minimizing the potential energy
a diving board is fixed to a point in a concrete block a diver bounces 150centimeter from the free end of the diving
the arm of a crane is 170 meter long and makes an angle of18 degree with the horizontal suppose that the maximum load