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a 70 kilogram box slides a 14 meter distance on ice if the coefficient of kinetic friction is 024 evaluate what is the
a bullet of mass 880 x 10-3 kilogram moving at 1250 ms impacts a tree stump and penetrates 400 centimeter into the wood
lisa swims in the sea and she measures the time between two waves that washes over her the average elapsed time between
a fighter plane is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult the
a carton full of books rests on a wooden floor the normal force the floor exerts on the carton is 239 newtona you push
the centers of a 9 kilogram lead ball and a 100 gram lead ball are separated by 13 centimetera find what gravitational
to make a bounce pass a player throws a 050 kilogram basketball toward the ground the ball hits the ground with a speed
a ferris wheel with a radius of 82 meter rotates at a fix rate completing one revolution every 43 seconda obtain the
a hot-air balloon has just lifted off and is rising at the fix rate of 20ms suddenly one of the passengers realizes she
the mass of a star is 139 x 1031 kilogram and it performs one rotation in 361 days determine its new period in days if
a 10- microf capacitor is charged to150 volt it is then connected across a 500-komega resistorif you know that the time
an electron moving with a speed of 43 x 105 ms in the positive x direction experiences zero magnetic force when it
you drag a trunk of mass m across a level floor using a mass less rope that makes an angle theta with the horizontal
compton used photons of wavelength 00711 nanometera determine what is the energy of these photonsb determine the
the hall voltage across a 08 millimeter thick conductor in a 09 t magnetic field is 32 microv when the current is 15
a spring 70 nm has an equilibrium length of 100 meter the spring is compressed to a length of 050 meter and a mass of18
a police officer investigating an accident determines from the damage done that a moving van hit a stationary van at 28
a particle moves along the x-axis its position is given by the equation x73t2-8t3 with x in meters and t in secondsa
a hypothetical planet has a radius 11 times that of earth but has the identical mass find the acceleration due to
a rectangular sample of a metal is 36 centimeter wide and 500 microm thick when it carries a 42 amp current and is
two 220 cm focal-length converging lenses are placed 165 cm apart an object is placed 350 cm in front of one lens where
light of a wavelength 625nm passes during a single slit by a width of 0320mm and forms a diffraction pattern on a flat
a proton is located at a distance of 0420 m from a point charge of 830 micro coulombs the repulsive electric force
a light ray of wavelength 559 nm is incident at an angletheta on the top surface of a block of polystyrene bounded by
discover the minimum aperture diameter of a camera that can resolve detail on the ground the size of a person20 m from