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a photon with a wavelength of 390times1013 m strikes a deuteron splitting it into a proton and a neutrona calculate the
a small hole is cut in the bottom of a water storage tank the initial depth of the water is 1200 m if the diameter of
a small but measurable current of 770 e-10 a exists in a copper wire whose diameter is 005 cm calculate the electron
a patio swing is suspended by two springs each of which has a force constant of 465 nm equivalent to a single spring
mark pushes his broken car 150m down the block to his friends house he has to exert a 110n force to push the car at a
scuba divers breathe compressed air stored in metal tanks what must the pressure of the air supplied to a diver at a
the vector v in the figure has the following componentsvx1vy2the angle of the ramp is 45 degrees what is the angle
a the outer surface of a skiers clothes of emissivity 0700 is at a temperature of 410deg c find the rate of radiation
we can approximate an electron moving in a nanowire as a one-dimensional infinite square-well potential let the wire be
a typical coal-fired power plant burns 320 metric tons of coal every hour to generate 700 of electricity the density of
an ideal monatomic gas expands isothermally from 0600 m3 to 125 m3 at a constant temperature of 800 k if the initial
an unknown mass of tin is heated to a temperature of 202 c it is placed into 200 g of water which is in a 100 g copper
a how much heat is required to raise by 930degc the temperature of 09 kg of waterb how much heat is required to raise
calculate the equilibrium concentration of dissolved oxygen in 15celcius dgree water at 1atm and again at 3000m
when a 197 kg wheel with an angular speed of 230 rads is disconnected from a motor a 0219 n middot m frictional torque
an instructor wants to use a lens to project a real image of a light bulb onto a screen 227 m from the bulb in order to
a 169times astronomical telescope is adjusted for a relaxed eye when the two lenses are 133 m apart what is the focal
suppose you want to design a microscope so that for a fixed distance between the two lenses the magnitude of the
monochromatic light is incident on a metal surface the ejected electrons give rise to a current in a circuit the
a converging lens of focal lengthf 46 cmis placed 189 cm to the left of a metallic sphere of radius r 100 102 cm an
a 50 turn square coil of length 600 cm and width 500 cm is rotated at 200 rads in a 300 t magnetic fielda what is the
a double- slit interference experiment is performed with two very narrow slits separated by 015 mm the experiment uses
82 l of an ideal monatomic gas is at an absolute pressure of 42 atm when the temperature is 25 ca how many moles of gas
a rocket launched outward from earth has a speed of 0100 c relative to earth the rocket is directed toward an incoming
an explosive shell with total mass 80 kg is launched vertically into the air from a mortar the shell explodes in flight