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the current during the battery and resistors 1 and 2 in figa is 200 a energy is transferred from the current to thermal
carbon tetrachloride a 30mm thick layer of water n 133 floats on a50 mm thick layer of carbon tetrachloride n 146 in
the intensity of sunlight at the earths surface is 1400wm2 and the average wavelength is 550 nm1 how many photons per
if im trying to discover the h field of a coaxial cable consisting of two very long cylindrical tubes separated by
when monochromatic light shines perpendicularly on a soap filmn 133 with air on each side the second smallest nonzero
when a gas is quickly compressed say by pushing down a piston its temperature increases when a gas expands against a
a 0250-kg block oscillates on the end of a spring by a spring constant of 200nm if the system has energy of 690j what
compute the mass of a chlorine anion of charge 320 x 10-19 c if it follows a circular path of radius 0862 cm after it
discover the amount of heat needed to increase the temperature of 34 mol of an ideal monatomic gas by27 k in the
in a certain time period a coil of wire is rotated from one orientation to another by respect to a uniform 038-t
a conducting rod is moving during a magnetic field as in the drawing the magnetic field strength is 065 t and the speed
the average counting rate for a radioactive sample is 486cpm how do you find the probability that in any given 10 sec
an artificial satellite circles earth in a circular orbit at a location where the acceleration due to gravity is 900ms2
charge is placed on two conducting spheres that are very far apart and connected with a long thin wire the radius of
if a visible photon with wavelength 434 nm is emitted from an atom in a hydrogen gas lamp what energy state was the
a pot of water is boiling less than one atmosphere of pressure suppose that heat enters the pot only through its bottom
suppose a uniform magnetic field goes during a 40-turn circular coil of wire along the axis of the coil the radius of
when a certain metal is illuminated by light of frequency 33 multiplied by 1015 hza stopping potential of 69 v is
sketch a ray diagram for a concave mirror with an object atd0rexplain the image characteristics1 is the image real or
a man pushes a lawn mower on a level lawn by a force of 215 n if 31 of this force is directed downward and 50 w of
a 3m long cantilever with a mass of 250 kg is attached to a wall and also held in place with a steel cable that is
calculate the energy in mev released when alpha decay converts thorium 228th atomic mass 228028715 u into radium 224ra
it takes 20 turns to drive a screw completely into a block of wood because the friction force among the wood and the
an object of mass m173 kg moving at 55 ms strikes a stationary second object of unknown mass after an elastic collision
what exactly is the work function of a metal is it the jolt of energy required to obtain any electron out the maximum