Conservation of energy
20000N, 2.47 meter cannon, 40 degrees above horizontal, 74 meters/second, conservation of energy, what sized cannon ball, in kg, must be used?
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Object A, which has been charged to +10nC, is at the origin. Object B, which has been charged to -22nC, is at (x,y)=(0.0cm,2.0cm). What is the magnitude of the electric force on object A? What is the magnitude of the electric force on object B? Wh
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At the bottom her speed is precisely two-thirds what it would have been if the slide had been frictionless. Calculate the coefficient of kinetic friction between the slide and the child.
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