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a 104-turn coil rotates 714 times per second the coil has a cross-sectional area of 0670 m2 and the magnetic field
presume an object starts at time t0s at a position defined as x0m at t05s the object is at x15m and at t10s the object
a meteorite has a speed of 750ms when 800km above the earth it is falling vertically ignore air resistance and strikes
two long parallel wires carry currents of 24 amp exert a repulsive force per unit length on each other of 15 x 10-5 nm
you buy a 1700w electric tea kettle while on a study abroad program in britain where electricity is delivered to homes
a copper wire of radius 30 mm carries a constant current of 4 a discover the average drift velocity of the electrons if
assume you have a car with a 125-hp engine find how large a solar panel would you need to replace the engine with solar
zog and geraldine his wife each push a cart along a horizontal surface where friction is negligible both carts are
if the receiver is to detect a change in travel distance on the order of 6 meter obtain the associated change in travel
a 15kg block is on a ramp which is inclined at 20 degree above the horizontal it is connected by a sting to 19kg mass
x-rays of wavelength 00983 nanometer are directed at an unknown crystal the second diffraction maximum is recorded when
two spheres are launched horizontally from a 12 meter high table sphere a is launched with an initial speed of 5 meter
a stick of mass m and length l is initially upright on a frictionless table balanced on one of its ends the stick
discover the height that a billiard ball must be struck so that it will roll with no initial slipping suppose that the
an electric field e 150i 200j nm is applied in a region where a proton is moved from an initial position x y -20 30
two atomic particles approach each other in a head-on collision each particle has a mass of 154 x 10-25 kilogram the
a piano tuner stretches a steel piano wire with a tension of 765 newton the steel wire has a length of 0700 meter and a
the current in a coil with a self-inductance of 1 mh is 36 amp at t 0 when the coil is shorted through a resistor the
a marine biologist powers the 1000 w 24 v electric outboard motor on her boat from a 55 ahr battery how long can she
suppose a spherical planet of radius r and an average density 50 x 103 kgm3 this is approximately the average density
the rms current in an ac circuit with a resistance of 170 is 085a1 what is the average power consumed with this
an inductor in the form of a solenoid contains 400 turns and is 146 centimeter in length a uniform rate of decrease of
an 15-turn circular coil of radius 175 cm carries a current of 183 a what is the strength of the magnetic field at a
the eyepiece of a compound microscope has a focal length of 280 centimeter and the objective lens has f 0720
the rc circuit has 4 komega and c 2 microf the capacitor is at voltage v at t0 when the switch is closed find how long