Question: A block having mass m and charge + Q is connected to a spring having constant k. The block lies on a frictionless horizontal track,

A block having mass m and charge + Q is connected to a spring having constant k. The block lies on a frictionless horizontal track, and the system is immersed in a uniform electric field of magnitude E, directed as shown in Figure P25.11. If the block is released from rest when the spring is unstretched (at x = 0),
(a) By what maximum amount does the spring expand?
(b) What is the equilibrium position of the block?
(c) Show that the block€™s motion is simple harmonic, and determine its period.
(d) What If? Repeat part
(a) if the coefficient of kinetic friction between block and surface is μk.

A block having mass m and charge + Q

a, x=0

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