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to simulate gravitation effects in space you design a large cylindrical space station with a radius of 200m the space
a simple camera telephoto lens consists of two individual lenses the objective has a focal length f1 370 cm exactly
a small loop of wire of radius a lies a distance d from the center of a large loop of radius b the planes of the two
two speakers face each other and radiate coherently and in phase the speakers are separated by a distance of 550 m and
a computer hard drive typically operates with a rotation speed of 7200 rpm revolutions per minute in the first 175 ms
the index of refraction for red light in water is 1331 and that for blue light is 1340 if a ray of white light enters
an underwater scuba diver sees the sun at an apparent angle of 280deg from the vertical what is actual direction of the
a step-down transformer has 30 turns of wire on one coil and 1200 turns on the other if the transformer is to produce
in a diagnostic x-ray procedure 5x1010 photons are absorbed by tissue with a mass of 6 kg the x-ray wavelength is 02 nm
an improved version of a model of radioactive is to toss a large number of dice instead of coins each has die that
1 a system consists of a ball of mass m2 and a uniform rod of mass m1 and length d the rod is attached to a horizontal
given that apparent expansivity of a liquid is 000015x10raised to power -3 per kelvin and the linear expansivity of the
a cubical block of side length l has a density dc and floats in a liquid of density dl with a small part of the block
a spherical mirror has a focal length of 10cm find the location and then describe the miage for an object for an
horseshoe bats genus rhinolophus emit sounds from their nostrils then listen to the frequency of the sound reflected
a 230-mhz sound wave travels through a pregnant womans abdomen and is reflected from the fetal heart wall of her unborn
a venturi is constructed of a 90 cm diameter pipe with a 20 cm diameter throat water pressure in the pipe is twice
an 800-m-long brass rod is struck at one end a person at the other end hears two sounds as a result of two longitudinal
a top spins at 30revs about an axis that makes an angle of 30 deg with the vertical the mass of the top is 050kg its
an l-r-c series circuit is connected to a120hz ac source that has vrms 800v the circuit has a resistance of 770 and
you have a 250- resistor and a 0410-h inductor suppose you take the resistor and inductor and make a series circuit
the overall length of a piccolo is 320 cm the resonating air column vibrates as in a pipe that is open at both endsa
a 410 resistor and a 650f capacitor are connected in parallel to an ac generator that supplies an rms voltage of 220v
1 a constant-pressure insulated piston-cylinder device contains 17 kg of saturated liquid-vapor mixture of water at 150
a child whose weight is 284 n swings out over s pool of water usinga rope attached to the branch of a tree at the edge