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an electron confined in a harmonic potential well emits a 1280nm photon as it undergoes a 5 4 quantum jump what is the
consider the expansion of 600 moles of a monatomic ideal gas along processes 1 and 2 in the figure below in process 1
what is the acceleration of two falling sky divers mass 1160 kg including parachute when the upward force of air
a ball of mass 0206 kg with a velocity of 154 ms meets a ball of mass 0291 kg with a velocity of -0396 ms in a head-on
a 40-m-long iron bar of uniform cross section is held perpendicular to the wall by a wire from the end of the bar to
water flows at 0950 ms from a hot water heater through a 450-kpa pressure regulator the pressure in the pipe supplying
a horizontal pipeline carries 10125 m3 of oil every hour along the pipeline where the radius is 60 cm the oil pressure
a cat is sitting on the rim of a wooden turntable that is free to turn about a vertical axis the turntables mass is 3
a 280-kg cylindrical piece of concrete pipe 10 m in diameter 13 m long and 3 cm thick is rolling toward you at a speed
a single conservative force 40x - 12 n where x is in meters acts on a particle moving along an x axis the potential
a 7-kg bowling ball whose radius is 013 m is rolling directly towards you turning 3 times per second what are the
suppose that the magnetic field has a magnitude of 0130 t the particles speed is 60 multiplied by 106 ms and the radius
a particular satellite was placed in a circular orbit about 158 mi above earth a determine the orbital speed of the
in a popular amusement park ride a rotating cylinder of radius r 310 m is set in rotation at an angular speed of 420
it has been suggested that rotating cylinders about 90 mi long and 62 mi in diameter be placed in space and used as
a 22 particle is moving to the left at 26ms how much net work must be done on the particle to cause it to move to the
a cannon tilted up at a 300 angle fires a cannon ball at 700 ms from atop a 300m -high fortress wall what is the balls
a computer to be used in a satellite must be able to withstand accelerations of up to 27 times the acceleration due to
a diver completes somersaults during a 21 sec dive what was the divers average angular speed during the
as a marble with a diameter of 20 cm rolls down an incline its center moves with a linear acceleration of 35 ms2a what
when throwing a ball vertically upward my hand moves through a distance of about 10 meters before the ball leaves my
a tennis player receives a shot with the ball 0060 0 kg traveling horizontally at 555 ms and returns the shot with the
a force of magnitude 8800n stretches a certain spring by 0190m from its equilibrium position what is the force constant
a wheel free to rotate about its axis that is not frictionless is initially at rest a constant external torque of 40