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at t 0 the current through a 650 mh inductor is 520 ma and is increasing at the rate of 100 maswhat is the initial
an electric motor rotating a workshop grinding wheel at a rate of 110 102 revmin is switched off assume the wheel has a
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a car initially traveling at 279 ms undergoes a constant negative acceleration of magnitude 170 ms2 after its brakes
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an 820 kg-diver stands at the edge of a light 500-m diving board which is supported by two pillars 160 m apart as shown
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a wire has a diameter of17 mm and length of 13 m if its resistance is 15 mohms what is the restivity of the metal from
gamma rays with the very high energy of 22times1013 ev are occasionally observed from distant astrophysical sourceswhat
an atom in a solid vibrates at 13 thz with amplitude 13 pmfind the atoms maximum speedfind the atoms maximum
a w1 250 n bucket is lifted with an acceleration of a 220ms2 by a w2 115n uniform vertical chainpart a find the
a hockey puck with mass 0160kg is at rest on the horizontal frictionless surface of a rink a player applies a force of
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a 30 capacitor initially charged to 20 is discharged through a 19 resistor how long does it take to reduce the
a certain lightbulb has a tungsten filament with a resistance of 177 when at 200degc and 135 when hot assume the
a circular wire loop of radius is 160 cm carries a current of 280 a it is placed so that the normal to its plane makes
a log of mass 40 kg is dropped into river at 0degc if the relative density of the log is 08 what will be the volume of
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a draw or describe the free body diagram for the vehicle showing all forces calculate these forces and list them with
a block of mass 20kg is dropped into water what force should be applied to pull it to the surface if its volume is
the diameters of the main rotor and tail rotor of a single-engine helicopter are 144 m and 21 m respectively the
explain how to determine the total resistance of a parallel and a series circuit how does total resistance affect the