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an induced emf of 12v is produced when a 350 loop coil ofradius 42cm is placed perpendictular to a megnetic fieldand
a 36cm strip of wire is connected to a battery andperpendictular to the magnetic field of a solenoid is 15cm long
a transformer has 3840 turns in the secondary the inputvoltage is 110v the output current is 65a the input current
a 055 kg book slides on ahorizontal table the kinetic friction force on the book hasmagnitude 12 na how much work is
the luxury liner queen elizabeth 2 has adiesel-electric powerplant with a maximum power of 84 mw at a cruising speed of
a 25 gram mass is placed on the edge of a turntable witha 15 cm radius the coefficient of static friction between
a slingshot will shoot a 19 g pebble270 m straight upa how much potential energy is stored in the sling shots rubber
a stalactite on the roof of a cave drips water at a steadyrate to a pool 40m below as one drop of water hits the poola
a civil engineer is in charge of building a section of theinterstate that includes a turn whose radius is 80m what will
nora jogs several times a week and always keeps a journal ofhow much time she runs one day she forgets her stopwatch as
when a trains velocity is 120ms eastward raindropsthat are falling vertically with respect to the earth make tracesthat
car is traveling at constantspped passes a car stopped it accelerates at 7ms2 what is final velocity of originally
a 50-kg pilot comes out of a vertical dive in a circular arcsuch that at the bottom of the arc her upward acceleration
a skateboard track has the form of a circular arc with a 360m radius extending to an angle of 900 degrees relative to
a 280 kg seal at an amusement park slides down a ramp intothe pool below the top of the ramp is 170 m higher than
a slider-crank mechanism has acrank to connecting link ratio of frac14 if the diameter of thejournal at the crank
if a superheterodyne reciever is tuned to a desired signal at1000 khz and its conversion local oscillator is operating
a mail bag with a mass of 124 kgis suspended by a vertical rope 80 mlonga what horizontal force is necessary to hold
two electric charges eagh of600mu c are placed at thecorners of the base of the square of the side s850m two
air friction damps a tuning fork so that the amplitudedecreases by 181 per second resonance 74 hertz what percent
given an oildroplet with a mass of 759e-7 kg and a density of 952 kgm3 that spreads out to form a circle with a radius
calculate the work done by an external agent during anisothermal compression of 100 mol of oxygen from a volume of240 l
the magnetic flux that passes through one turn of a 18-turn coil of wire changes to 262 from 944 wb in a time of 00336s
two dry-ice pucks covered with plasticine are on a collisioncourse one of the mass 467g travles south at a speed of
a mixture of na2co3 and mgco3 of mass 858 g is reacted with an excess of hydrochloric acid the co2 gas generated