A 20g mass with charge q=+8C hangs from a spring of stiffness k=50N/m. If an infinite plane with charge density sigma=+3C/m^2 is placed d=5cm below the masses original position, through what distance does the mass on the spring deflect in meters? Ignore the sign of the deflection and answer with a positive number.
1 answer
0.0025 m
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