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a converging lens which has a focal length equal to 82 cm is separated by 325 cm from a second lens the second lens is
find the focal length of a glass lens that has an index of refraction equal to 166 a concave surface that has a radius
a 35 mm camera with interchangeable lenses is used to take a picture of a hawk that has a wing span of 18 m the hawk is
a mirror of focal length 242 cm creates an image with magnification u22120350 what is the image
your telescope has an objective lens with a focal length of 10 m you point the telescope at the moon only to realize
an ideal gas expands at a constant total pressure of 25 atm from 345 l to 670 l heat then flows out of the gas at
the yerkes telescope in southern wisconsin is the largest refracting telescope in the world its objective lens is 40
the second harmonic sinusoidal standing wave in a pipe with both ends open has a wavelength of 2m the sound speed is
a car chases a coyote down a road ending in a sheer cliff the car has a speed of 40 ms and the coyote has a speed of 30
a block of mass m140 kg oscillates in simple harmonic motion due to the force of the spring to which the block is
a sinusoidal transverse wave moves along a stretched string in the j direction with amplitude 5 cm wavelength 2 m and
heat flows into an ideal gas at a constant volume the pressure increases from 15 atm to 55 atm next the gas is
a wire with current of 4 a and length of 80 meter is positioned on a horizontal table with a rectangular top of
given two parallel plate capacitors 1 and 2 they both have a plate-charge q and plate area a the gap of 1 is filled
a 1150 w carbon-dioxide laser emits light with a wavelength of 10 microm into a 30-mm-diameter laser beam what force
a capacitor is made from a thin wire of charge density lsurrounded by material with dielectric k 2 to a radius a then
an ice skater slides without pushing across a frozen pond for 250 m before coming to a stop if the coefficient of
a 565 n mountain climber moves across a rope strung across a canyon when she is more than halfway across she notices
youre an optometrist mounting a projector at the back of your 38m -long exam room 26m above the floor it shines an
an astronaut on the space shuttle traveling at a speed of 070 c is holding a meter stick parallel to the direction of
a rod is measured to be 15 cm by an observer moving at 080c with respect to the length of the rod what is the proper
a train has a rest length of 100 m traveling at a very high velocity it goes through a tunnel of length 60 m observers
the critical angle for a certain liquid-air surface is420deg what is the index of refraction of the
a 2100pf capacitor is connected to a65microh coil of resistance34 what is the resonant frequency of this