Hi, can anyone help me solve this problem, I am having somedifficulties with it.

Question

Hi, can anyone help me solve this problem, I am having somedifficulties with it.

It basically has an ion being accelerated in a magnetic field B(circular motion, diameter of x).

The givens are:

Strotium atomic number: 38
Strotium ion mass: 1.45*10^(-25) kg
Magnitude of B field: 0.090 T
Desired exit distance x: 1.75m

Calculate the accelerating voltage needed for the ions withcharge +2e to attain the speed you calculated in part (c) ; v =1.74*10^(6) m/s

I will greatly appreciate the help, and thank you so much.

Explanation / Answer

with the given information we can find the velocity required and it is x*q*B/2m=1.73793*104m/s so accelerating voltage required is 0.5*m*v2/q by the definition of hence =685940V

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