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a 2250 kilogram car traveling at 100 ms collides with a car of mass 2750 kilogram that is initially at rest at a
a 200 kilogram block is held in equilibrium on an incline of angle theta 60 degree by a horizontal force f applied in a
an olympic skier moving at 200 ms down a 300o slope encounters a region of wet snow of coefficient of friction muk0740
apart from the continuous loss of mass from the sun and increase in the mass of earth both of which are relatively
a 05 kilogram block attached to an ideal spring k 100 nm oscillates on a horizontal frictionless surface when the
suppose that g 10 ms2 a 1 kilogram mass is dropped from rest from a height of 05 metera find the potential energy of
a rocket weighs 245 x 105nbspnewton and can accelerate straight up at 200 ms2determine what is the thrust
a 102 volt potential difference is maintained across a 2 meter length of tungsten wire that has a cross-sectional area
two spheres are launched horizontally from a 10 meter high table sphere c has a mass of 16 kilogram and is launched
a golfer strikes a golf ball at an angle of 17 degree above the horizontal find with what velocity must the ball be
a girl delivering newspapers covers her route by traveling 1000 blocks west 400 blocks north and then 300 blocks easta
a roller coaster moves 200 feet horizontally then rises 135feet at an angle of 300 degree above the horizontal next it
two non-relativistic particles an electron of mass menbspand a proton of mass mpnbsphave equal de broglie wavelengths
an electric field of 144 kvm and a magnetic field of 0363 t act on a moving electron to produce no net force if the
a 110 kilogram box is being pushed from the bottom to the top of a frictionless ramp when the box is pushed at a
a force does 130 joule of work when it acts on a moving object and its direction is in the similar direction as the
two adjacent sources each emit a frequency of 800 hz in air where the velocity of sound is 340 ms how much farther back
in order to pass a physical education class at a university a student must run 10 meter in 115 minute after running for
a learner throws a set of keys vertically upward to his fraternity brother who is in a window 360 meter above the
an object of mass 2 kg is moving east at 5 msec and collides with an object of 1 kg mass moving west at 4 msec the
a ball of mass 2 kg is thrown by an initial velocity of 5 mse cat an angle of 40o above the horizontal from the edge of
skeletor decides to test the law of gravitation by dropping man-at-arms off the top of 808 meter high snake mountain in
several teenagers swim toward a rectangular wooden raft that is 210 m wide and 250 m long if the raft is 750 cm thick
a point source of light is submerged 20 m below the surface of a lake and emits rays in all directions on the surface
a ball is thrown vertically upward with a speed of 160 msa determine how high does it risemb determine how long does it