Two charged spheres are 8.45 cm apart. they are moved and, Ask an Expert

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Q. A novice skier, starting from rest, slides down a frictionless 34.0 degree incline whose vertical height is 190 m. how fast is she going when she reaches the bottom?

Q. Two charged spheres are 8.45cm apart. They are moved and the force on each of them is found to have been tripled. How far apart are they now?

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