SPH4U University Grade 12 Physics - Coulomb's Law?

In summary, the problem involves using Coulomb's Law to determine the magnitude of a negative point charge, q₃, that is arranged with two other negative point charges, q₁ and q₂, on three corners of a square with side a=0.500 m. The direction of the force on q₃ is at an angle of +20.0° with respect to the +x axis. The relevant equation to use is Coulomb's Law. The student is unsure of how to begin solving the problem and has requested further clarification or a visual aid.
  • #1
burhan101
1
0

Homework Statement



SPH4U University Grade 12 Physics - Coulomb's Law?
I have to determine the answer using Coulomb's Law. Please help me figure out how to do this !

Three point charges, q₁= -5.00 μC, q₂= -4.00 μC, and q₃ which is negative are arranged as shown on three corner of side a=0.500 m. The direction of the forces on qt is at +20.0° with respect to the + x axis.
Calculate the magnitude of q₃

Homework Equations



Coulomb's Law

The Attempt at a Solution



I don't even know how to start :confused:
 
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  • #2
Can you attach a picture or describe how q1 and q2 are situated?
 

Related to SPH4U University Grade 12 Physics - Coulomb's Law?

What is Coulomb's Law and what does it state?

Coulomb's Law is a fundamental law in physics that describes the electrostatic interaction between two charged particles. It 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.

How is Coulomb's Law mathematically expressed?

Coulomb's Law is expressed as F = k(q1q2)/r^2, where F is the force between two charged particles, k is the proportionality constant, q1 and q2 are the charges of the particles, and r is the distance between them.

What is the significance of the proportionality constant, k, in Coulomb's Law?

The proportionality constant, k, is a constant that depends on the medium between the charged particles. It is also known as the Coulomb's constant and its value is 8.99 x 10^9 Nm^2/C^2 in vacuum. It determines the strength of the electrostatic force between two charged particles.

How does distance affect the force between two charged particles according to Coulomb's Law?

According to Coulomb's Law, the force between two charged particles is inversely proportional to the square of the distance between them. This means that as the distance between the particles increases, the force between them decreases.

What is the difference between Coulomb's Law and Newton's Law of Universal Gravitation?

Coulomb's Law describes the force between two charged particles, while Newton's Law of Universal Gravitation describes the force between two masses. Additionally, Coulomb's Law is dependent on the charges of the particles, while Newton's Law is dependent on the masses of the objects.

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