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two circular coils of current-carrying wire have the same magnetic moment the first coil has a radius of 0091 m 120
a velocity selector has an electric field of magnitude 2500 ncdirected vertically upward and a horizontal magnetic
in the operating room anesthesiologists use mass spectrometers tomonitor the respiratory gases of patients undergoing
two identical long wires of radius a 172 mm are parallel and carry identical currentsin opposite directions their
a beam of polarized light with an average intensity of 148 wm2 is sent through a polarizer the transmission axis makes
the average intensity of light emerging from a polarizing sheet is 0767 wm2 and the average intensity of the
the electromagnetic wave that delivers a cellular phone call to acar has a magnetic field with an rms value of 150
two astronauts are 10 m apart in theirspaceship one speaks to the other the conversation is transmitted to earth via
a positively charged object with a mass of 0114 kg oscillates at the end of a spring generatingelf extremely low
a flat coil of wire is used with an lc-tuned circuit as a receiving antenna the coil has a radius of 015 mand consists
a horizontal spring is lying on a frictionless surface one end ofthe spring is attached to a wall whle the other end is
a car is hauling a 88 kg trailer to whichit is connected by a spring the spring constant is 2150 nm the car accelerates
two identical resistors are connected in parallel across a 27-vbattery which supplies them with a total power of 65 w
abullet emerges from the muzzle of a gun with a velocity of 300ms the net force on the bullet while it is in the gun
if energy were conserved in each collision what would you expect the ratio of the total kinetic after the collision to
a series circuit contains a 300 h inductor a 260 microf capacitor and a 200 resistorconnected to a 120 v rms source of
two billiard balls one heading north at 150 ms and a secondheading south at 100 ms collide head-on take the collision
a motor has coils with a resistance of 26 omega and operates froma voltage of 240 v when the motor is operating at its
a pendulum is released from rest extended horizontally the mass ofthe pendulum is 05 kg and the length of the string to
mrst boards plane a and her class boards plane b the two airplanes leave the airport at the same time mrs ts plane is
1 a rifle bullet with a mass of 120g traveling toward the rightat 260 ms strikes a large bag of sand and penetrates it
a a uniform magneticfield of magnitude 152 t acts in the positive z direction find the magnitude of the force exerted
a car is normally capable of an acceleration of 3ms2 if it is towing a trailer with half as much mass asthe car itself
1 an electric heater used to boil small amounts of water consistsof a 15-omega coil that is immersed directly in the
an electric heater used to boil small amounts of water consists of a 15-omega coil that is immersed directly in the