Question: A 4.00-kg block carrying a charge Q = 50.0 ?C is connected to a spring for which k = 100 N/m. The block lies on

A 4.00-kg block carrying a charge Q = 50.0 ?C is connected to a spring for which k = 100 N/m. The block lies on a frictionless horizontal track, and the system is immersed in a uniform electric field of magnitude E = 5.00 x 105 V/m directed as in Figure.(a) If the block is released at rest when the spring is un-stretched (at x = 0), by what maximum amount does the spring expand?(b) What is the equilibrium position of theblock?

m, Q X= 0

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