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a 0550 rm kg glider on an air track is attached to the end of an ideal spring with force constant 458 rm nrm m it
white light is shone on a very thin layer of ice n 131 and above the ice layer interference maxima for two wavelengths
a 300 dc power supply has fully charged a 15 mf capacitor the charged capacitor is connected to a 20 mh inductor the
a flat copper sheet has a hole with area 0265 m2 at room temperature 25 degree c if its heated to 510 degree c whats
the power capacity for all nuclear power plants in the united states is 101e5 mw in one hour what is the total change
a longitudinal wave travels on a slinky or any long spring the wave is represented by the equation xx t 210 cm cos2000
an fm transmitter delivers 30 kw into a 50 ohm antenna the frequency swing from 91425 mhz to 91575 mhz occurs at a rate
the wheel of an automobile has a mass of 25 kg and a diameter of 670 cm assume that the wheel can be regarded as a
light from a he-ne laser of wavelength 633 nm passes through a circular aperture it is observed on a screen 40 m behind
you take a trip to pluto and back round trip 115 billion km traveling at a constant speed except for the turnaround at
a uniform magnetic field is decreasing at a rate of 023ts what is the magnitude of the induced electric field at a
gasolines thermal expansion coefficient is 95 x 10-4degree c-1 a trucks 110 gallon 4164 l gas tank is full on a 14
a 35 m long horizontal rod has two forces applied to it one on the far left corner with a force of 4n at 60 degrees
two radio antennas are 130 m apart on a north-south line the two antennas radiate in phase at a frequency of 36 mhz all
light of wavelength 565 nm incident on a pair of slits produces an interference pattern on a distant screen in which
a double slit is opposite the center of a 16-m wide screen 24 m from the slits the slit separation is 24 microm and the
a 75g bungee cord has an equilibrium length of 12 m the cord is stretched to a length of 18m then vibrated at 20 hz
the index of refraction of the core of a piece of fiber optic cable is 172 if the index of the surrounding cladding is
a fish appears to be 200 m below the surface of a pond when viewed almost directly above by a fisherman what is the
a specimen of oil having an initial volume of 620 cm3 is subjected to a pressure increase of 36 mpa and the volume is
air that occupies 015 cubic meters at 103e05 pa gauge pressure is expanded isothermally to atmospheric pressure and
a merry-go-round at a playground is a circular platform that is mounted parallel to the ground and can rotate about an
a circular loop of wire in the horizontal plane carries a counterclockwise current as viewed from aboveif the diameter
a horizontal magnetic field of 11times104 t is at an angle of 31 to the direction of the current in a straight
a basketball player is balancing a spinning basketball on the tip of his finger the angular velocity of the ball slows