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consider an electron in the ground state of the hydrogen atom separated from the proton by a distance of 00529 nma
how many conduction electrons are there in a 500 diameter gold wire that is 400 long how far must the sea of electrons
a mass-spring system completes 7 full oscillations in a time of 144 seconds1 what is the period of one oscillation2
a proton enters the gap between a pair of metal plates an electrostatic separator that produces a uniform vertical
if an enclosed volume of ideal has is heated raising its temperature from 10 c to 20 c by what factor does the pressure
an object with mass m 11 g and charge q is placed at point a which is 005 m above an infinitely large uniformly
the sound level in the middle of a rave is 900 db what is the sound intensity at this
two parallel infinite nonconducting plates are 115 cm apart and have charge distributions of 31 microcm2 and -31
three masses 3kg 5kg 7kg are located in the xy-plane at the origin 23 m 0 and 0 15 m respectively determine the center
a friction-less test track is banked so that cars can move around the track at 37 ms without slipping up or down the
zartan of the jungle crosses a river by grabbing an 8 m long vine conveniently hanging from a strong branch and
a hill is 100m long and makes an angle of 12 degrees with the horizontal as a 50 kg jogger runs up the hill how much
a sled at rest on a flat nearly frictionless surface is suddenly pushed with a force of 402n if the sled has a mass of
a famous mad-physicist dr strangelove tries to find out how much energy is contained in one liter of sunlight assume
a 100-kg mass is placed on a 250o degree incline and friction keeps it from sliding the coefficient of static friction
a homogeneous cylinder of radius 240cm and mass 400kg is rolling without slipping along a horizontal floor at 830ms how
as you saw in part b the vapor above the cyclohexane-acetone solution is composed of both cyclohexane vapor and acetone
a woman at an airport is towing her 200 kg suitcase at constant speed by pulling on a strap at an angle theta above the
pentane c5h12 reacts with oxygen 02 to produce carbon dioxide and water the reaction is very exothermic with delta h
a mans leg can be thought of as a shaft of bone 12m long if the strain is 13x 10-4 when the leg supports his weight by
an electron is observed traveling at a speed of 189 107 ms parallel to an electric field of magnitude 10660 nc how far
two objects with masses of 300 kg and 500 kg are connected by a light string that passes over a frictionless pulley
a 4000 g block of aluminum at t30 degrees celsius is placed in contact with a 6000 g block of iron at t 100 degrees
a force vector has a magnitude of 589 newtons and points at an angle 43o of below the positive x axis what are a the x