# Physics Problems and Solutions

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Physics Problems and Exams

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Electrostatic

## Electric force between charged particles

According to Coulomb's law, the magnitude of attractive or repulsive electric force between two charged particles $q_1$ and $q_2$ is proportional to the product of the magnitude of charges and inv ...

Magnetism

## Direction of Magnetic Force on a Positive Charge: Right Hand Rule

The direction of the magnetic force on a moving positively charged particle or a wire carrying current $i$ in a uniform magnetic field is determined by the right-hand rules with different version ...

kinematic

## Acceleration on Position-Time Graph

Acceleration on a position vs. time graph can be obtained, by having the initial position and velocity of a moving object. In this article, we want to show you how to find constant acceleration fro ...