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a lead ball with a velocity of 350ms is to be dropped from a bridge that is 20 meters above the water into a model boat
1 the asteroid belt circles the sun among the orbits of mars and jupiter one asteroid has a period of 50 earth yearsa
a cube of side 2a with a uniform charge distribution rho is cantered at the origin1 what is the dipole moment of the
this fine establishment features a 200- kg mechanical bucking bull that has a mechanism that makes it move vertically
a sound source normal frequency of 1000 hz approaches a stationary observer at one-half the speed of sound the observer
a block of aluminium at 0c of mass of 500 g is dropped into an insulated container of water at 80c if the water
a truck travels 40 meter in 85 second while uniformly slowing down to a final speed of 28 ms compute the original speed
when struck by a club a golf ball initially at rest gets a speed of 31 ms if the ball is in contact with the club for
a complete circuit consists of a 240 volt battery a 560 ohm resistor and a switch the internal resistance of the
a car which is traveling at a fix speed of 150 ms takes 110 sec to complete each lap as it travels around a circular
an electrical conductor designed to carry large currents has a circular cross section with a diameter of d and a length
two persons are pulling a boat through the water each exerts a force of 600 newton directed at a theta 250 degree
a laptop communicates with a router wirelessly by means of radio signals the router is connected by cable directly to
the average intensity of light emerging from a polarizing sheet is 0687 wm2 and the average intensity of the
to work off a large pizza that you ate on friday night saturday morning you climb a 120 m hilla assuming a reasonable
a 1300 kilogram car has a maximum power output of 130 horsepower find how steep a hill can it climb at a constant speed
a 255 kilogram piano slides 42 meter down a 30 degrtee incline and is kept from accelerating by a person who is pushing
two capacitors give an equivalent capacitance of 9 pf when connected in parallel and an equal capacitance of 2pf when
in downhill speed skiing a skier is retarded by both the air drag force on the body and the kinetic frictional force on
a 62 kilogram box is being lifted by means of a light rope that is threaded through a single light frictionless pulley
a particle of mass 3 kilogram is attached to the end of a ring of length 4meter whose other end is fixed determine the
a car of mass 1200 kilogram is traveling at 280 ms the driver applies the brakes to bring the car to rest over a
a 40-pf capacitor is immersed in silicone oil which has a dielectric constant of 26 when the capacitor is connected to
the dielectric of a parallel plate capacitor is to be a slab of glass that totally fills the volume between the plates
a 245 kilogram steel ball strikes a wall with a speed of 100 ms at an angle of 600 degree with the surface it bounces