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hookes law describes a certain light spring of unstressed length 380 centimeter when one end is attached to the top of
an electron that has energy of approximately80e01 ev moves between rigid walls13 nm aparta discover the precise energy
a modified oscilloscope is utilized to perform an electron interference experiment electrons are incident on a pair of
the resolving power of a microscope depends on the wavelength utilized if one wished to see a particular type of
a meter stick is initially at rest in a horizontal position it is free to rotate about the 50 centimeter point a force
when a 500 kilogram object is hung vertically on a certain light spring that obeys hookes law the spring stretches 280
an archer pulls her bowstring back 0360 meter by exerting a force that increases uniformly from zero to 224 newtona
a block of mass 290 kilogram is pushed 260 meter along a frictionless horizontal table by a constant 160 newton force
a lumberjack mass 98 kilogram is standing at rest on one end of a floating log mass 245 kilogram that is also at rest
explain what would happen to the length of a meter stick traveling near the speed of light with its long dimension
compute the speed of light observed coming from a star if the star is moving toward us at half the speed of
a standard cassette tape is located in a standard cassette player each side plays for 45 minutes the two tape wheels of
two objects attract each other with a gravitational force of magnitude 091 x 10-8 newton when separated by 193
a man pushes horizontally with a force of 240 newton on a 45 kilogram crate to move it across a level floor the
the floor of a railroad flatcar is loaded with loose crates having a coefficient of static friction of 020 with the
find what is the length of a one-dimensional box in which an electron in the n 1 state has the same energy as a photon
suppose that the wavelength measurement gives lambda 6000aring with an accuracy of delta lambdalambda10-6 determine
a boy in a wheelchair total mass 470 kilogram wins a race with a skateboarder he has speed 140 ms at the crest of a
the magnitude of a single force action on a particle of a mass m is given by f bx2 where b is a constant the particle
four persons each with a mass of 731 kilogram are in a van with a mass of 1150 kilogram an earthquake strikes the
a 750 kilogram ice skater moving at 100 ms crashes into a stationary skater of equivalent mass after the collision the
a 125 gram mass us attached to the end of an unstressed vertical spring of constant 494 nm and then dropped the
a spring has a force constant of 20000 nm compute how far must it be stretched for its potential energy to be 36
a car traveling at 30 ms suddenly encounters a 20o hill the car is coasting with no power input if there is no friction
if you had only one telescope and wanted to take both visible-light and ultraviolet pictures of stars explain where