A charged cork ball of mass 0.90 g is suspended on a light string in the presenc

Question

A charged cork ball of mass 0.90 g is suspended on a light string in the presence of a uniform electric field as shown in the figure below. When

A charged cork ball of mass 0.90 g is suspended on a light string in the presence of a uniform electric field as shown in the figure below. When E rightarrow = (4.80 i^+ 4.20 j^) ? 105 N/C, the ball is in equilibrium at ? = 37.0 degree . Two small metallic spheres, each of mass m = 0.192 g, are suspended as pendulums by light strings of length L as shown in the figure below. The spheres are given the same electric charge of 6.8 nC, and they come to equilibrium when each string is at an angle of theta = 4.65 degree with the vertical. How long are the strings? A charged cork ball of mass 0.90 g is suspended on a light string in the presence of a uniform electric field as shown in the figure below. When E rightarrow = (4.80 i^ + 4.20 j^) times 105 N/C the ball is in equilibrium at theta = 37.0 degree .

Explanation / Answer

# There are three forces acting on each sphere:

1) The tensi

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