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a student is on board the express train when it passes through the subway station he notices that the trains
two air track carts move forward one another on an air track cart 1 has a mass of 045kg and a speed of 11ms cart 2 has
a ski tow operates on a 15o slope of length 300 meter the rope moves at 120 kmh and provides power for 50 riders at
in being served a tennis ball is accelerated from rest to a speed of 480 ms the average power generated during the
a gun shoots a bullet at an angle of 60o above the horizontal with an initial speed of 300 ms compute the maximum
a uniform spherical shell of mass m 25 kg and radius r 180 cm rotates about a vertical axis on frictionless bearings a
a bullet of mass 55 g is fired horizontally into a 28 kg wooden block at rest on a horizontal surface the coefficient
a 60 kg trunk is pushed 58 m at constant speedup a 30deg incline by a constant horizontal force the coefficient of
a tennis player swings her 1000 gram racket with a speed of 11 ms she hits a 60 gram tennis ball that was approaching
a ball is projected horizontally from the edge of a table that is 111 m high and it strikes the floor at a point 128 m
an automobile with a mass of 1360 kg has 305 m between the front and rear axles its center of gravity is located 178 m
an 80 kilogram cylinder rolls without slipping on a rough surface at an instant when its center of gravity has a speed
the lifetime of the excited component of the n 1 state parallel spins that produces the 21 centimeter line transition
a parallel-plate capacitor consists of two large circular sheets of metal separated by 153 cm the electric field energy
a student sits on a freely rotating stool holding two weights each of mass 310 kilograms when his arms are extended
two vectors are given by a vector -5 i 3 j and b vector 4 i 4 ja find a vector x b vectorkb determine the angle
a 730 kg base runner begins his slide into second base when he is moving at a speed of 41 ms the coefficient of
a 148 kilogram monkey hangs from a cord suspended from the ceiling of an elevator the cord can withstand a tension of
nbspnbspa vector has components of 120 units along the x axis and 140 units along the y axis1 what is the magnitude of
a platform is rotating at an angular speed of 21 rads a block is resting on this platform at a distance of 033 meter
normal 0 false false false en-in x-none x-none
a singly charged ion of li an isotope of lithium has a mass of 116times10-26 kilogram it is accelerated through a
an 11 kg monkey climbs up a mass less rope that runs over a frictionless tree limb and back down to a 21 kg package on
a small immersion heater is rated at 360 watt obtain how long it will take to heat a cup of soup suppose 250 ml of
determine what is the final temperature of the tea when 100 gram of boiling tea is poured into a 250 gram glass tea cup