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a physics professor is pushed up a ramp inclined upward at an angle 310 above the horizontal as he sits in his desk
a 180 k resistor and a capacitor are connected in series and then a 120 v potential difference is suddenly applied
an infinitely long charged wire produces an electric field of magnitude 117 103 nc at a distance of 464 cm
a -5-nc point charge is located at the center of a conducting spherical shell the shell has an inner radius of 2 m an
consider a hollow spherical conductor with total charge 5e the outer and inner radii are a and b respectively a
an air-track glider is attached to a spring the glider is pulled to the right and released from rest at 0 it then
there is a uniform charge distribution of 812 10-8 cm along a thin wire of length l 594 cm the wire is then curved
imagine sitting on a steadily spinning merry-go-round neither speeding up nor slowing down like all physics students
a fire helicopter carries a 520-kg bucket of water at the end of a 200-m long cable flying back from a fire at a
the coefficients of kinetic and static friction between a 1000 lb refrigerator and flor are 4 and 45 when at rest the
a 300-kg block starts from rest at the top of a 335deg incline and slides 200 m down the incline in 180 s a find the
consider a frictionless track a block of mass m1100kg is released from a at a height h170m it makes a head-on elastic
a spring with a force constant of 588nm is compressed a distance of 42cmpart a find the resulting increase in the
a plastic sphere floats in water with 650 of its volume submerged this same sphere floats in glycerin with 516 of its
at a certain distance the sound intensity level of a dogs bark is 43 db at that same distance the sound intensity of a
a projectile proton with a speed of 500 ms collides elastically with a target proton initially at rest the two protons
in february 1955 a paratrooper fell 365 m from an airplane without being able to open his chute but happened to land in
the induced electric field 13cm from the axis of a solenoid with a 85cm radius is 40vm find the rate of change of the
a wheel radius 14 cm is mounted on a frictionless horizontal axle that is perpendicular to the wheel and passes
in a classroom demonstration a 792-kg physics professor lies on a bed of nails the bed consists of a large number of
find the moment of inertia of a hoop a thin-walled hollow ring with mass and radius about an axis perpendicular to the
what is the minimum thickness of coating which should be placed on a lens in order to minimize reflection of 406 nm
a series rndashlndashc circuit of r 210ohms l 0950h and c 225uf carries an rms current of 0270a with a frequency of
a bowler throws a bowling ball of radius r 11 cm along a lane the ball the figure slides on the lane with initial