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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
consider a spaceship in an elliptical orbit around the earth at the low point or perigee of its orbit it is 400
a nucleus of mass 228 u initially at rest undergoes alpha decay if the alpha particle emitted has a kinetic energy 496
two vectors c and d are given by c 5i 6j 7k and d 3i - 8j 2k if these two vectors are drawn starting at the equal
a hard sphere is thrown on a horizontal surface in such a way that initially it slips without rolling in a direction
a thin film of soap with n 138 hanging in the air reflects dominantly red light with lambda 699 nanometer calculate
a charge of -283 muc is set at the center of a compass two additional charges are fixed on the circle of the compass