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Q. A proton is initially at rest at a point where the potential is 525 V. Sometime later the proton is at a point where the potential is 207 V. If no force other than electrostatic force acts on the proton, what is its final kinetic energy?

Q. On a frictionless, horizontal air track, the glider oscillates at the end of an ideal spring of force constant 2.52N/cm. The graph in the acceleration of the glider as a function of time. Find the mass of the glider.

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Category:- Physics
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