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A physics teacher describes the following situation to their students:
A point charge of -8 C is affixed to one position. A test charge of -1 C is traveling at velocity v toward the fixed point charge, but not directly toward it.

The physics teacher discusses the initial electric force on the test charge, as well as the changes to force, motion, and position that the test charge experiences.
Identify the direction of the initial force experienced by the test charge due to the electric field.

as the test charge moves through the electric field, describe its change in velocity and change position relative to fix charge.



Answer :

Answer:

Explanation:

The direction of the initial force experienced by the test charge due to the electric field can be determined using Coulomb's law, which states that the force between two point charges is directly proportional to the product of their charges and inversely proportional to the square of the distance between them.

In this case, the fixed point charge is negative (-8 C), and the test charge is also negative (-1 C). According to Coulomb's law, like charges repel each other. Therefore, the initial force experienced by the test charge due to the electric field will be repulsive, pushing it away from the fixed charge.

As the test charge moves through the electric field:

1. Change in velocity: The test charge will experience an acceleration in the direction of the force acting on it. Since the force is initially repulsive, the test charge's velocity will decrease if it's moving toward the fixed charge or increase if it's moving away from the fixed charge.

2. Change in position relative to the fixed charge: The test charge will move along a curved path due to the force exerted by the electric field. If the test charge is initially moving toward the fixed charge, it will bend away from its original path due to the repulsive force. If the test charge is initially moving away from the fixed charge, it will bend toward its original path due to the attractive force.

In summary, the initial force experienced by the test charge due to the electric field is repulsive, and as it moves through the field, its velocity may change depending on its initial direction of motion relative to the fixed charge, and its position will be altered due to the curved trajectory induced by the force.