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1 compute the buoyant force experienced by a steel shell totally submerged in fresh waterthe radius of the shell is700
if electrical energy costs 12 cents or 012 per kilowatt-hour then what would the following events costa burn a 60 w
a submarine submerges to a depth of 144 meters compute the pressure on the submarine state your answer in both pascal
green light lambda 536 nm strikes a single slit at normal incidencewhat width slit will produce a central maximum that
a scientist notices that an oil slick floating on water when viewed from above has many dissimilar rainbow colors
an isolated charged capacitor has horizontal plates if a thin dielectric is inserted a short way between the plates
a balloon is filled with 450 liters of helium at a pressure of 130 atm and a temperature of 250deg ca discover the mass
a spaceship is flying directly away from earth at a speed of 0730c and the captains family at home on earth broadcasts
three charged particles are placed at the corners of an equilateral triangle of side 120m the charges are 70muc and
a diverging lens has a focal distance of -300 cm if the lens projects a virtual image at a distance that is 12 of the
there are four charges each by a magnitude of 183c two are positive and two are negative the charges are fixed to the
you are asked to design an lr circuit with a time constant of 5 x10-4 seconds you have at your disposal a real inductor
think about electrons accelerated to a total energy of 40 gev in the 300-km-longstanford linear accelerator electron
a block of silicon doped with phosphorus at room temperature is biased with a potential of 1 v the cross section during
a monochromatic plane wave given with the expression e 1000cos 2pimiddot1015t ndashbetaz vm is incident normally upon a
in a sodium vapor lamp visible light is emitted with a wavelength of 5840 aring how many photons are emitted per second
a cowboy 68 feet tall with his hat views his full image in a plane mirror1 what is the height of the image2 what is the
contrast the center of gravity cg and center of mass cm of the moon suppose the moon is spherical and centered means
a converging lens has a focal length of 20 cm a 1 cm tall object is placed 35 cm in front of the lens find the image
1 when a rock thrown straight upwards gets to the exact top of its path itsa velocity is about 10 ms and its
a car is designed to get its energy from a rotating flywheel by a radius of 150 m and a mass of 400kg before a trip the
emilies potters wheel rotates by a constant 210rads2 angular acceleration after 380 s the wheel has rotated through an
a cubical piece of heat-shield-tile from the space shuttle measures 015 m on a side and has a thermal conductivity of
a baking dish is removed from a hot oven and placed on a cooling rack as the dish cools down to 320degc from 172degc
de broglie postulated that the relationship lambda hp is valid for relativistic particles what is the de broglie