A metal sphere hangs from a string and has 8 kg of mass. The sphere has a charge of +6.7 µC. A uniform electric field is turned on and directed to the right.   (a) Which way does the sphere move? left or right     (b) What is the electric force on the metal sphere if the magnitude of the electric field is  106 N/C? (c) When the sphere reaches equilibrium, what is the angle that the string makes with the vertical axis (assuming the same electric field as part (b))?

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A: Approach to solving the question: Detailed explanation:Examples: Key references:

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.