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a cubical piece of heat-shield tile from the space shuttle measures 012 m on a side and has a thermal conductivity of
the concrete wall of a building is 008 m thick the temperature inside the building is 175degc while the temperature
a tennis player receives a shot with the ball 00600 kg traveling horizontally at 580 ms and returns the shot with the
a hand-pumped water gun is held level at a height of 082 m above the ground and fired the water stream from the gun
a photon having e 469 kev energy scatters from a free electron inside a metal what is the maximum energy the electron
in an x-ray scattering measurement the first order diffraction peak is observed at 123deg at what angle is the second
two converging lenses with focal lengths of 40cm and 20cm are 14cm apart a 30cm -tall object is 10cm in front of the
you can exert a total of 75 j to launch a 075 kg projectile up a 5 m long ramp the coefficient of kinetic friction
after the sun exhausts its nuclear fuel its ultimate fate will be to collapse to a white dwarf state in this state it
studies of the relationship of the sun to our galaxy-the milky way-have revealed that the sun is located near the outer
a diffraction grating produces an interference pattern on a wall the 2nd order maximum is positioned at an angle of 320
a pine cone falls from a tall tree it takes 02 seconds to pass by a 2 meter tall window iethe time between when it s
you are driving down the road when you see a deer in your headlights it takes you 05 seconds to react once you react
a computer to be used in a satellite must be able to withstand accelerations of up to 27 times the acceleration due to
a 485 muf capacitor is initially charged to a potential of 164 v it is then connected in series with a 385 mh
a movie star catches a reporter shooting pictures of her at home she claims the reporter was trespassing and to prove
a 061 kg block is hung from and stretches a spring that is attached to the ceiling a second block is attached to the
unpolarized light passes through two polaroid sheets the transmission axis of the analyzer makes an angle of 401deg
two adjacent natural frequencies of an organ pipe are found to be300hz and330hza calculate the fundamental frequency
a pipe open at both ends has a fundamental frequency of240hz when the temperature is 0degca what is the length of the
a steel wire with mass218g and length16m is strung on a bass so that the distance from the nut to the bridge is 110 ma
a machine shop has 100 equally noisy machines that together produce an intensity level of 90db if the intensity level
a bottle has a mass of 3500g when empty and 9844g when filled with water when filled with another liquid the mass is
a solid sphere has a temperature of 408 k the sphere is melted down and recast into a cube that has the same emissivity
a 14kg grindstone in the shape of a uniform cylinder of radius 02m acquires a rotational rate of 1800 revs from rest