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exercise 1452 consider a vertical plane pi ie parallel to the z-axis which passes through the points 1 3 0 and 1 5 2 a
a particle moves in a plane with a constant radial velocity rhat 4 ms the angular velocity is constant and has
estimate how many molecules of air are in each 18 l breath you take that were also in the last breath einstein took
let l and m be lines in the xy-plane prove that l is equipotent to m or in other words that they are in one to one
a simple gear train is composed of three gears gear a os tje driver and has 8 teeth gear b has 24 teeth and gear c has
rate equations in a four-level laser consider a four-level laser with an active volume v 1 cm 3 the population
a rock is dropped off a 200m cliff what is the velocity of the rock at a height of 30m we are currently studying the
consider a system of 2 particles each of which can stay in 0epsilon3epsilonlet temp tkb-1a derive partition function
in a historical movie two knights on horseback start from rest 73 m apart and ride directly toward each other to do
levitation by light pressure consider an isolated hydrogen atom of mass 166 x10- 27 kg find the number of photons that
consider an isolated hydrogen atom of mass 166x10-27 kglet an upwardly directed laser beam emitting 1 ev photons be
a sinusoidal wave traveling in the positive x-direction has a wavelength of 11 cm a frequency of 13 hz and an amplitude
two waves traveling in opposite directions along a string fixed at both ends create a standing wave described by yx t
a nuclear power plant has a power output of 1004 mw and operates with an efficiency of 32 if excess heat is carried
vector a added to vector b is equal to the magnitude of a added to the magnitude b the vectors must bea perpendicularb
covelant and ionic bonds differ in thata ionic bonds dont involve the sharing of electronsb covalentbonds are more
consider a series rlc circuit with r 15 ohms l 192 mh c 75 microf and a maximum voltage of 154 va what is the
the voltage across an air-filled parallel-plate capacitor is measured to be 850 v when a dielectric is inserted and
in exercising a weight lifter loses 0145 kg of water through evaporation the heat required to evaporate the water
a bumper car with mass m1 103 kg is moving to the right with a velocity of v1 5 ms a second bumper car with mass m2
an object is released from an aeroplane which is diving at an angle of 30 from the horizontal with a speed of 50ms if
a 0150-kg frame when suspended from a coil spring stretches the spring 0070m a 0200-kg lump of putty is dropped from
two steel wires are stretched under the same tension the first wire has a diameter of 0515 mm and the second wire has a
a projectile is launched into the air with an initial speed of vi at an launch angle of 30 degrees above the horizontal