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a fighter plane is launched from aircraft carrier with the aid of its own engines and a steam-powered catapult the
a hockey puck impacts a goalies plastic mask horizontally at122 mh and rebounds horizontally off the mask at 47mih if
in a pole sliding game among friends a 90 kilogram man makes a total vertical drop of 70 meter while gripping the pole
a small stone is thrown vertically downward at an initial speed of 14 ms from a height of 65 meter above the grounda
a student throws a ball vertically upward such that is travels 71 meter to its maximum height if the ball is caught at
a machine gun of mass 350 kilogram fires 500-g bullets with a muzzle velocity of 750 ms at the rate of 300 rounds per
a 20 kilogram softball is pitched to you at 20 ms you hit the ball back along the same path and at the same speed if
a 20 centimeter tall object is placed in front of a mirror a 10 tall upright image is formed behind the mirror 180 from
a 300 kilogram model rocket is launched straight up it reaches a maximum height of 100 x 102 meter above where its
a hydrogen atom initially in its ground state n1 absorbs a photon and ends up in the state for which n3find the energy
a car is traveling along a road and its engine is turning over with an angular velocity of 230 rads the driver steps on
a 14 kilogram block is accelerated at 25 ms2 up a frictionless plane inclined at 93 degree to the horizontal with the
a person is holding out his arm horizontally with a 250 kilogram weight in his hand this weight is 600 centimeter from
a 400 kilogram block starts from rest at the top of a 30 degree incline and slides a distance of 210 meter down the
spiderman uses his spider web to save a runaway train his web stretches a few city blocks before the 104 kilogram train
a stone is thrown vertically downward at an initial speed of 14ms from a height of 65 meter above the grounda find how
a box on a table top m 10 kilogram is attached via a pulley to a hanging mass 45 kilogram the coefficient of kinetic
a helicopter rises vertically carrying a load of concrete to make the foundation for a ski lift a 35 kilogram bag of
the entrance to a large lecture room consists of two side-by-side doors one hinged on the right and the other hinged
you find that it takes a horizontal force of 160 newton to slide a box along the surface of a level floor at constant
if it requires 50 joule of work to stretch a particular spring by 20 centimeter from its equilibrium length compute how
given a hollow conducting sphere of radius r and surface charge density sigmaa find the potential at a distance greater
there are three charges of 5 5 and -5 micro coulomb at the corners of triangle 10 centimeter in length of each side at
a 50000 kilogram railroad car moving at 40 ms overtakes and couples with a second car of mass 60000 kilogram that is
two masses of 50 kilogram and 10 kilogram are connected by a compressed spring and rest on a frictionless table the