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## Homework Statement

A charged particle is accelerated through a potential of 15000 volts, after which it passes between two (parallel)deflecting plates. What voltage must be applied to these plates to deflect the particle an angle of 10 degrees.

0.5 cm between plates, plates are 3 cm long, 10 degrees below horizontal axis, particle intially starts of on the horizontal axis heading into the plates

## Homework Equations

I am confused on how you would relate the potential the particle is accelerated through to its velocity. What happens to a particle that passes through a potential, and how does the properties of the potential speed up or slow down the particle.

## The Attempt at a Solution

Since im confused about the initial information I dont even have an attempt yet, Im assuming you might need to use the work energy conservation theorem at some point but why