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1 an electron in a vacuum acelerates from rest through a potential difference of 550v and then enters a magnetic field
a thin 152 m long copper rod has a mass of 524 g what is the minimum current in the rod that will cause it to float in
a thin cylindrical ring starts from rest at a height h1 81 m the ring has a radius r 12 cm and a mass m 2
refer to figure below and find the equation for tan theta as a function of x and lhint start by using the approximation
a thin double convex lens having a focal length of magnitude 275 cm is placed 1000 m from a plane mirror that is
a thin film of gasoline floats on a puddle of water sunlight falls perpendicularly on the film and reflects into your
a thin film of oil with index of refraction n 155 and thickness t 75 nm floats on water the oil is illuminated from
the colours on a soap bubble are also due to interference what is the minimum difference in thickness of a bubble film
a thin film with a thickness of 2727 nm and with air on both sides is illuminated with a beam of white light assume the
collision of cosmic rays with the upper atmosphere gives rise to a stream of particles called muons the proper lifetime
at a college homecoming 18 students lifted a sports car each student exerted 400n of upward force on the cara what is
on a cold winter day the outside temperature is -50 degc while the interior of a well-insulated garage is maintained at
a thin layer of oil n 125 is on top of a puddle of water n 133 if normally incident 500-nm light is strongly
a thin lens forms an image of an overhead electric lamp on a piece of paper the distance to the lamp from the lense is
a thin lens made with crown glass n155 has a focal length of 100 cm an identical lens with flint glass n165 was made
the solid compounds nacl and cuno32nbspare added to a beaker of water what happens select the single best
a coin is rolled without slipping on a table top in a straight line it starts rolling at 34 rads and slows down at a
draw the lewis structure for so2 howmany single bonds double bonds triplebonds and unshared pairs of electrons areon
a coin that has a mass of 20 g rests on a phonograph turntable that rotates at 33 revmin the center of the coin is 16
question 1 in an equilibrium process the concentrations of products and of reactants are equaltruefalseflag this
a coiled spring with a spring constant of 500 nm is compressed some distance x when the spring uncoils it releases a
why it is problematic for some a prescription cream to get spread on the outside of a jar during the packaging
a coil spring stretches by 390cm when a mass of 700 grams is suspended from it what additional force is necessary to
three capacitors are connected in series as shown in the figure the capacitances are c1 73 muf and c2 94 muf c3 is
a coil rotates at 60 revolutiona per second in a field of 2x10-2 tesla if the coil has a cross-sectional area of 20 cm2