What is a sign of the charge on the disk

Reference no: EM139020

Q1. A small charge (-8.32*10^-6 C) object is tied by a 4.98 cm long piece of thread to the center of a uniformly charged disk. The disk has the radius of 14.8 cm and the concentration of the charge on the surface has a magnitude of 1.21*10^-6 C/m^2. (Neglect gravity here and ignore the white center section until later)

a) what is a sign of the charge on the disk?

b) What is the tension in thread?

Q2. A particle of mass M moves in one dimension along the positive x axis, under the influence of two forces. The first force is a constant force, with magnitude B and direction toward the origin. The second force is an inverse square law, with magnitude A/x2 and direction away from the origin. Calculate the frequency of small oscillations around equilibrium.

Reference no: EM139020

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