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A 4.00 kilogram block starts from rest at the top of a 30 degree incline and slides a distance of 2.10 meter down the incline in 1.40 second.
(a) Evaluate the magnitude of the acceleration of the block.
(b) Find the coefficient of kinetic friction between plane and block?
(c) Determine the frictional force acting on the block?
(d) Determine the speed of the block after it has slid 2.10 meter.
Water has the following thermodynamic constants: (1) specific heat liquid = 4.18 J/g °C, solid = 2.09 J/g °C, gas = 1.89 J/g °C, (2) heat of fusion = 334 J/g, and (3) heat of vaporization = 2257 J/g. how much heat is required to melt the sample
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Light shines during a single slit whose width is 4.60*10-4 m. A diffraction pattern is formed on a flat screen located 3.8 m away. The distance among the middle of the central bright fringe and the first dark fringe is 6.50 mm. What is the wavelength..
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