Electricity: Static Electricity
Static Electricity: Audio Guided Solution
Problem Set SE4, Question 1:
Two vinyl balloons with an identical charge are given a separation distance of 52 cm. The balloons experience a repulsive force of 2.74x10
-3 N. Determine the magnitude of charge on each one of the balloons.
Audio Guided Solution
Habits of an Effective Problem Solver
An effective problem solver by habit approaches a physics problem in a manner that reflects a collection of disciplined habits. An effective problem-solver...
- ... reads the problem carefully and develops a mental picture of the physical situation. If necessary, sketches a simple diagram of the physical situation to help visualize it.
- ... identifies the known and unknown quantities; records them in an organized manner. A diagram is a great place to record such information. Equates given values to the symbols used to represent the corresponding quantity - e.g., Q1 = 2.4 μC; Q2 = 3.8 μC; d = 1.8 m; Felect = ???.
- ... uses physics formulas and conceptual reasoning to plot a strategy to solve for the unknown quantity.
- ... identifies the appropriate formula(s) to use.
- ... performs substitutions and algebraic manipulations in order to solve for the unknown quantity.
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