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A little red wagon with mass 7.0 kilogram moves in a straight line on a frictionless horizontal surface. It has an initial speed of 4.00 m/s and then is pushed 3.0 meter in the direction of the initial velocity by a force with a magnitude of 10.0 Newton.
a) Use the work-energy theorem to determine the wagon final speed?
b) Obtain the acceleration produced by the force?
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In an ultra-low-temperature experiment, a collection of atoms enter a special state called a Bose-Einstein condensate in which the index of refraction is1.57 x 107. Determine is the speed of light in this condensate?
a a dye molecule has emission cross section cm2 at nm and fluorescence lifetime 3 ns. assuming the transition is
If a man can jump a maximum horizontal distance (by using a 45 degree projection angle) of 2.0 meter on the Earth, determine what would be his maximum range on the Moon
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