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marshall4
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What charge is required to suspend a 1.7*10^-13kg oil drop in an electric field of 2.5*10^5 N/C?
A Coulomb's homework problem is a type of physics problem that involves calculating electric forces and fields using Coulomb's Law, which states that the force between two charged particles is directly proportional to the product of their charges and inversely proportional to the square of the distance between them.
To solve a Coulomb's homework problem, you will need to set up the equation F = k(q1q2)/r2, where F is the electric force, k is the Coulomb's constant (9 x 109 N*m2/C2), q1 and q2 are the charges of the two particles, and r is the distance between them. Then, plug in the known values and solve for the unknown variable.
Some common mistakes when solving Coulomb's homework problems include forgetting to convert units, using the wrong value for k, and forgetting to take into account the sign (positive or negative) of the charges. It is important to carefully read the problem and double check your calculations to avoid these mistakes.
Yes, Coulomb's Law can be used for any number of charged particles. To calculate the total electric force on a particle due to multiple charges, you can simply add up the individual forces using vector addition.
Coulomb's Law has many real-life applications, including determining the force between charged particles in an atom, predicting the behavior of electric charges in circuits, and understanding the forces between celestial bodies in space. It is also used in industries such as electronics, telecommunications, and energy production.