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there is a uniform charge distribution of 812 10-8 cm along a thin wire of length l 594 cm the wire is then curved
imagine sitting on a steadily spinning merry-go-round neither speeding up nor slowing down like all physics students
a fire helicopter carries a 520-kg bucket of water at the end of a 200-m long cable flying back from a fire at a
the coefficients of kinetic and static friction between a 1000 lb refrigerator and flor are 4 and 45 when at rest the
a 300-kg block starts from rest at the top of a 335deg incline and slides 200 m down the incline in 180 s a find the
consider a frictionless track a block of mass m1100kg is released from a at a height h170m it makes a head-on elastic
a certain microwave delivers 750 watts js of power to a coffee cup containing 500 g of h2o at 25 degrees c if the
a spring with a force constant of 588nm is compressed a distance of 42cmpart a find the resulting increase in the
to what volume should you dilute 122 ml of an 805 m cucl2 solution so that 510 ml of the diluted solution contains 461
a plastic sphere floats in water with 650 of its volume submerged this same sphere floats in glycerin with 516 of its
calculate the mass of nitrogen dissolved at room temperature in an 930 home aquarium assume a total pressure of 10 and
at a certain distance the sound intensity level of a dogs bark is 43 db at that same distance the sound intensity of a
2084 kj of energy removes one mole of electrons from the atoms on the surface of rubidium metal if rubidium is
what is the energy of a single uv photon and mole of uv photons having a wavelength of 25
how would you prepare 3-methylheptane beginning with either 2-bromobutane or 1-bromobutane note choose the best
a projectile proton with a speed of 500 ms collides elastically with a target proton initially at rest the two protons
compound a is a clear colorless liquid with a molecular formula of c7h10 upon treatment of a with h2 gas in the
in february 1955 a paratrooper fell 365 m from an airplane without being able to open his chute but happened to land in
1 will the equilibrium concentration of the product fencs2 in the test solution be too high or too low please explain2
when 0156 mol of urea nonelectrolyte whose mm601 and whose density148gcm3is dissolved in 131g of water the molality of
the induced electric field 13cm from the axis of a solenoid with a 85cm radius is 40vm find the rate of change of the
what is the mole fraction of water in a water-ethanol solution that is 52 water by massethanol
a wheel radius 14 cm is mounted on a frictionless horizontal axle that is perpendicular to the wheel and passes
which of the following solutes dissolved in 10 kg of water would be expected to cause the water to freeze at the lowest
in a classroom demonstration a 792-kg physics professor lies on a bed of nails the bed consists of a large number of