At t = 0, an object of mass m is at rest at x = 0 on a horizontal, frictionless surface. A horizontal force Fx= F0(1 −(2t/T), which decreases from t = 0 to t = T, is exerted on the object. Find an expression for the object’s velocity and position at time T.

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One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.