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in the sun suppose the value of e energy production per second per gram drops to 1 of its central value at rr 02 which
an electron is accelerated through an electric potential of 123 v then enters a 29 gauss magnetic field in a direction
the figure below shows a composite slab with dimensions d1 136 cm d2 280 cm and d3 125 cm half the slab consists of
two objects are attached to ropes that are attached to wheels on a common axle as shown below the two wheels are glued
a wheel free to rotate about its axis that is not frictionless is initially at rest a constant external torque of 53
a hunter on a frozen essentially frictionless pond uses a rifle that shoots 420 g bullets at 975 ms the mass of the
a house painter stands 3 m above the ground on a 54-m-long ladder that leans against the wall at a point 47 m above the
a charge q0 is distributed uniformly througout a non- conductiong sphere of radius r0 the sphere also has a point
consider two semi-infinite sheet with equal magnitude but opposite sign surface charge densities the plates are 02 m
a point mass consisting of 26 charged particles travels at a velocity of magnitude 780 x 107 ms through a uniform
a car engine is initially rotating at 60 rads it is then turned off and takes 500 s to come to a complete stop what is
a coordinate system in meters is constructed on the surface of a pool table and three objects are placed on the table
a cylinder made of insulating material has a uniform volume charge density the cylinder is 20m in length and a radius
an inductor in the form of a solenoid contains 410 turns and is 128 cm in length a uniform rate of decrease of current
a ball is dropped from a height of 10 ft onto a level floor if the coefficient of restitution is 09 how long will it
laser light of wavelength 6328 nm falls normally on a slit that is 00250 mm wide the transmitted light is viewed on a
write down the mathematical relationship between velocity v and time t for a coin tossed up into the air after it
consider 1cmsup3 of liquid nitrogen contained within a 5cmsup3 sealed container if the temperature of the container is
a skier leaves the starting gate at the top of a ski jump with an initial speed of 4 ms the starting position is 120 m
a cannon with a mass of 115 kg shoots a cannonball with a mass of 8 kg if the speed of the cannon ball as it leaves the
two equal objects of mass m on effectively frictionless horizontal air track are held between rigid supports by three
a thin cylindrical rod l 206 cm long with a mass m 120 kg has a ball of diameter d 600 cm and mass m 200 kg
if a iron core of a collapsing star initially spins with a rotational frequency of fo34 per second and the core radius
differentiate the amplitude of a forced oscillator to find the frequency that yields the maximum amplitude under what
a pendulum is constructed by attaching a small metal ball to one end of a 125 m long string that hangs from the ceiling