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an electric oscillator is made with a 28 micro f capacitor and a 72 mh inductor the capacitor is initially charged up
a massless spring hangs from the ceiling with a small object attached to its lower end the object is initially held at
a flat observation screen is placed at a distance of 45 m from a pair of slits the separation on the screen between the
the wavelength of the laser beam used in a compact disc player is 649 nm suppose that a diffraction grating produces
for a particular scientific experiment it is important to be completely isolated from any magnetic field including the
an ac generator with a variable frequency is connected across a 45 cm piece of the coaxial cable outer radius of 45mm
an early method of measuring the speed of light makes use of a rotating slotted wheel a beam of light passes through
water flows through a fire hose of diameter 709 cm at a rate of 12 x10-2 m3s the fire hose ends in a nozzle of inner
a 112 kg block of metal measuring 4 cm x 2 cm x 3 cm is suspended by a spring scale and submerged in water what is the
the allowed energies of a simple atom are 00 ev 40 ev and 60 ev what wavelengths appear in the atoms absorption
a radio station with a power of 16kw sends out an omnidirectional wave at 21mhza if the electromagnetic wave has an
x rays diffract from a crystal in which the spacing between atomic planes is 0179nm the second-order diffraction occurs
an opaque cylindrical tank with an open top has a diameter of 3 meters and is completely full of water when the
an inductor of 491 mh with a resistance of 47 is connected to a power supply with a maximum voltage of 135 v and a
jills camera can photograph objects sharply 24 cm away but not closer find the focal length of the jills lens if the
suppose the resistance between the hands is due entirely to the skin if the patch of skin is 05cm by 05cm in area and
a 330 g air track on a horizontal air trek is attached to a string that goes over a pulley with a moment of inertia of
you are flying to new york youve been reading the in-flight magazine which has an article about the physics of flying
a 330 g air track cart on a horizontal air track is attatched to a string that goes over a pulley with a moment of
a woman stands at the center of a platform the woman and the platform rotate with an angular speed of 520 rads friction
you are standing on a sheet of ice that covers the football stadium parking lot in buffalo there is negligible friction
a 20 meter long string that has a mass of 240 grams is under 45 n of tension a sinusoidal wave with an amplitude of 40
two converging lenses having focal lengths of f1 105 cm and f2 200 cm are placed d 500 cm apart the final image is
a spool whose inner core has a radius of 100 cm and whose end caps have a radius of 150 cm has a tightly wound inner
a spool whose inner core has a radius of 100 cm and whose end caps have a radius of 150 cm has a string tightly wind