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gliders with masses 0150kg and 0220kg are at rest on an air track with a spring between them the spring is compressed
if the hour and minute hands of an analog clock are aligned at 0000 midnight at what time will they next realign give
a sled of mass m is given a kick on a frozen pond the kick imparts to it an initial speed of 250 ms the coefficient of
in an integrated circuit the current density in a 190 540 gold film is 760times105 what is the current in the
an underwater scuba diver sees the sun at an apparent angle of380degfrom the vertical what is actual direction of the
a candle is placed 2051 cm in front of a convex mirror when the convex mirror is replaced with a plane mirror the image
a compressed-air vessel has a volume of 10 ft3 cooling coils hold its temperature constant at 68 of the pressure now
a cylindrical tank 10 ft in diameter with axis vertical has an inflow line of 02 ft inside diameter and an outflow line
a concave mirror has a focal length of 52 cm the image formed by this mirror is in front of the mirror and located 106
two particles are fixed to an x axis particle 1 of charge -961 x 10-7 c is at the origin and particle 2 of charge 961 x
a small statue has a height of 32 cm and is placed in front of a concave mirror the image of the statue is inverted 11
a farsighted woman breaks her current eyeglasses and is using an old pair whose refractive power is 1750 diopters since
a football punter accelerates a football from rest to a speed of 10 ms during the time in which his toe is in contact
your friend has a near point of 142 cm and she wears contact lenses that have a focal length of 332 cm how close can
in a student experiment a constant-volume gas thermometer is calibrated in liquid nitrogen 196degc and in boiling
a nearsighted person cannot read a sign that is more than 60 m from his eyes to deal with this problem he wears contact
a student is reading a lecture written on a blackboard the lenses in her eyes have a refractive power of 5603 diopters
a cubical box 22cm on a side is constructed from 15cm -thick concrete panels a 100 w lightbulb is sealed inside the box
a converging lens f 369 cm is used to project an image of an object onto a screen the object and the screen are 180 cm
an object is placed to the left of a lens and a real image is formed to the right of the lens the image is inverted
an electric dipole consists of a 225 nc charge and a -225 nc charge separated by a distance of 150 x 10-6 m the
during a lightning flash there exists a potential difference of vcloud - vground 16 x 109 v between a cloud and the
an object is located 99 cm in front of a converging lens f 66 cm determine where the image is
a man in a boat is looking straight down at a fish in the water n 1333 directly beneath him the fish is looking
when red light in a vacuum is incident at the brewster angle on a certain type of glass the angle of refraction is