How Do You Calculate the Electrical Charge of a Particle?

AI Thread Summary
To calculate the electrical charge of a particle, the relevant formula involves the relationship between electrical potential energy, electric field strength, and charge. For a particle moving through an electric field, the change in electrical potential energy (ΔU) can be expressed as ΔU = q * ΔV, where q is the charge and ΔV is the potential difference. The potential difference can also be calculated using the electric field strength (E) and distance (d) with the formula ΔV = E * d. In the given problem, the charge can be determined by rearranging the formulas based on the provided values. Understanding these relationships is crucial for solving the problems presented.
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Homework Statement



I need help with the problems stated below, I know i could figure them out if somebody would show me the proper formulas, and maybe a quick explanation of the variables used in the formula ?

Homework Equations



A particle moves through a distance of 10 m along an electric field of strength 75 N/C. Its electrical potential energy decreases by 4.8 x 10-16 J. What is the charge of the particle?

A particle moves through a distance of 10 m along an electric field of strength 75 N/C. Its electrical potential energy decreases by 4.8 x 10-16 J. What is the potential difference between the initial and final locations of the particle?

An electron moves 4.5 m in the direction of an electric field of strength 325 N/C. The change in electrical potential energy is:

Which one of the following relations is correct?

The Attempt at a Solution



I have not made an attempt at solving, however i am currently reading through my textbook in search of formulas that may help.
 
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An equation dealing with electric potetial energy would help you.
 
wbandersonjr said:
An equation dealing with electric potetial energy would help you.

any chance of you giving me that formula ?
 
Do you know the relationship between force and work?
 
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