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A 2 kg block is connected into a spring attached to a wall with spring constant of 12 N/m. The spring is compressed a distance of 1m, and the block is released in the horizontal direction. The static friction coeficient between the block and the surface is 0.6 and the kinetic friction coeficient is 0.3
(a) How far does the block travel before coming to rest?
(b) What's the time it takes to travel from the point of release to the point where it comes to rest?
What should the charge (sign and magnitude) of a particle of mass 1.47 be for it to remain stationary when placed in a downward-directed electric field of magnitude 610.
An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.60 mm. An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.60 mm.
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A 200-W infrared laser emits photons with a wavelength of 1.05 multiply.gif 10-6 m, and a 200-W ultraviolet light emits photons with a wavelength of 3.51 multiply.gif 10-7 m. What is the energy of a single infrared photon
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A heat pump moves heat from outside, where the temp is 1 degree C, to inside a building, where the temp is 20 degrees C, How much heat is dumped into the building in each cycle
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