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unpolarized light falls on a stack of three polarized sheets the transmission axes of the top and bottom sheets are at
a particle by a charge of -600 nc is placed at the center of anon conducting spherical shell of inner radius 200 cm and
12 electrons are equally spaced and fixed around circle of radius 05 cma relative to v 0 at infinity what are the
a dentist uses a mirror to examine a tooth that is 125 cm in front of the mirror the image of the tooth is formed 100
a 300 m long string sustains a three-loop standing wave pattern as shown the wave speed is 100 102 ms1 what is the
a speaker generates a continuous tone of 440 hz in the drawing sound travels into a tube that splits into two segments
the potential at a distance of 300 cm from a very small charged sphere is 460 v relative to infinitya if the sphere is
gap among electrodes in a spark plug is 006 cm in order to produce an electric spark in a gasoline air mixture the
assume two clowns on skateboards are standing motionless on a smooth surface 100 m apart clown b tosses a 50 kg
a particle of mass m500x10-5kg and a charge q200x10-5chas an initial speed of 500ms at point a the particle is located
two skaters one with mass 69 kg and the other by mass 39 kg stand on an ice rink holding a pole of length 12 m and
a thin rod of mass m and length l is hinged at the floor as shown it initially stands vertically and is released from
a 066-kg metal sphere oscillates at the end of a vertical spring as the spring stretches from014 to 025 m relative to
a pendulum is constructed from a thin rigid and uniform rod with a small sphere attached to the end opposite the pivot
the speed of a transverse wave on a string is 450 ms as the wavelength is 018 m the amplitude of the wave is 200 mm how
an electric field of intensity 41 knc is applied along the x-axis calculate the electric flux during a rectangular
a flat surface having an area of 36 m2 is rotated in a uniform electric field of magnitude e 59 x105 ncdecide the
an unknown mass m1 hangs from a mass less string and descends with an acceleration g2 the other end is attached to a
a 20-kg object on a frictionless horizontal surface oscillating on a spring that has a force constant equal to 35 knm
a 70-kg sky diver jumped out of an airplane at an altitude of 080 km she opened her parachute after a while and
what is the maximum speed by which a 1200-rm kg car can round a turn of radius 600 rm m on a flat road if the
the resolution of the eye is eventually limited by the pupil diameter what is the smallest diameter spot the eye can
a 500 turn solenoid by a length of 20 cm and a radius of 15 cm carries a current of 20 a a second coil of four turns is
tarzan is in the path of a pack of stampeding elephants when jane swings in to the rescue on a rope vine hauling him
a wooden cube 05 meter in size is floating in a lake with 23 of its volume being submerged compute what minimum work