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three unknown resistors are in a bin lets call them red green and blue when a physicist connects the three resistors in
nbspand the lens-to-retina distance is 1859 cm if the writing on the blackboarda student is reading a lecture written
a square coil enclosing an area with sides 27 cm long is wrapped with 2461 turns of wire a uniform magnetic field
a bar of lead bar a is in thermal contact with a bar of silver bar b of the same length and area one end of the
a household pays 1850 per year for the supplied electricity assuming the rate of 011 per kwh and 10 hours of average
a 10 microcoulomb charge is placed at the origin and a 20 microcoulomb charge is placed on the x-axis at x 40 cm if an
two equal charges of magnitude 1 c are separated by a distance of 1 km what is the force acting between these two
a wire of radius 15 mm carries a current of 28 a the potential difference between points on the wire 20 m apart is 47v
an inductor is connected to a 12khz oscillator that produces an rms voltage of 60v the peak current is 60mawhat is the
you are standing at x90km lightning bolt 1 at x0km and lightning bolt 2 at x120km both flashes reach your eye at the
a rocket cruising past earth at 0800c shoots a bullet out the back door opposite the rockets motion at 0900c relative
a wire is 3500 m long after applying a force to one end of the wire it is now 3504 m long calculate the tensile strain
an electric device which heats water by immersing a resistance wire in the water generaters 50 cal of heat per second
consider the infinite midplane between two charges of equal magnitudes and oppoisite signs if the charges are and - q
an automobile tire is inflated with air originally at 100degc and normal atmospheric pressure during the process the
a grandfather clock is controlled by a swinging brass pendulum that is12m long at a temperature of28degca what is the
a 10 turn square coil of area 0036m squared and a 20-turn circular coil are both placed perpendicular to the same
a potters wheel with rotational inertia 650 is spinning freely at 160 the potter drops a 290 lump of clay onto the
a 400-m length of light nylon cord is wound around a uniform cylindrical spool of radius 0500 m and mass 100 kg the
a juvenile elephant has a mass of 300kg he wishes to fly using his very large ears if the air speed on top of his ears
a disk797cm in radius rotates at a constant rate of1160revmin about its central axisa determine its angular speedradsb
a rotating wheel requires290s to rotate through 370 revolutions its angular speed at the end of the290s interval
a dentists drill starts from rest after280s of constant angular acceleration it turns at a rate of246104revmina find
an unmanned spacecraft of mass 459 kg is in a circular orbit around the earth observing the earths surface from an
a solid uniform ball of mass 143 kg and radius 021m rolls without slipping up a hill of height 294m as shown in the