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## GR0877 Problem 61

PROBLEM STATEMENT: This problem is still being typed.

SOLUTION: (E) Newton’s second law: $mv^2/R = qvB$ or $\displaystyle \frac{q}{m} \cdot d = const$ ($v$ and $B$ are constants). If we double $\displaystyle \frac{q}{m}$, the value of $d$ should decrease by the factor of 2.

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