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an lcr circuit contains a resistor with r 4200 omega a capacitor withc 6000 microf and aninductor with l 20 mh
when light of wavelength 350 nm is incident on a metalsurface the stopping potential of the photoelectrons is 0500
a 393-g bullet traveling at a speed of 421 ms strikes thewooden block of a ballistic pendulum such as that in figure
the drawing shows a collision between two puckson an air-hockey table puck a has a mass of 00190 kg and ismoving along
a lazy susan consists of a heavy plastic disk mounted on africtionless bearing resting on a vertical shaft through
the magnetic field of the earth at a certain location is directedvertically downward and has a magnitude of 500 microt
a dentist uses a mirror to examine a tooth that is 075 cm in front of the mirror the image of the too this formed 100
the top of a swimming pool is at ground level if the pool is300 m deep how far below ground leveldoes the bottom of the
a generator is made from a set of 7000 loops of area 500 cm2 rotating at an angular frequency of 600 radians per second
a 82 kg diver steps off a 13 m tower and drops from rest straight down into the water if he comes to rest 45 mbeneath
a skier starts from rest at the top of a hill that is inclined at95degwith the horizontal the hillside is 150 m long
in a circus performance a monkey is strapped to a sled and bothare given an initial speed of 20 msup a 160deg inclined
a 18 kg dog is standing on the edge of a stationary frictionless turn table of rotational inertia 95 kgmiddotm2 and
the drawing shows a wire composed of three segments ab bc and cd there is a current of i 29a in the wire there is also
in a certain region the earths magnetic field has a magnitude of51 x 10-5 t and is directed north at an angle of57deg
what is the average pressure on the soles of the feet of a standing789-kg person due to the contact forcewith the floor
three identical stars of mass m 19 x1030 kg form an equilateral triangle that rotates aroundthe triangles center as
a diver shines a light up to the surface of a flat glass-bottomed boat at an angle of 33 relative to the normal if the
released from rest at the same height a thin spherical shell and solid sphere of the same mass m and radius r roll
a projectile is launched vertically from the surface of the moon with an initial speed of 1050ms at what latitude is
if the electric field inside a capacitor exceeds the dielectricstrength of the dielectric between its plates the
what are the advantages of placing capacitors in parallel what are the disadvantageswhat are the advantages of placing
two circular disks spaced 050 mm apart form a parallel-plate capacitor transferring 170 x 109 electrons from one disk
ip an object is located to the left of aconvex lens whose focal length is 38 rm cm the magnification produced by the
in an experiment designed to measure the speed of light a laser isaimed at a mirror that is 590 km due north a detector