Physics

Physics

Problem

144. A helium nucleus (charge

+2 q

and mass

4 m

) and a lithium nucleus (charge

+3 q

and mass

7 m

) are accelerated through the same electric potential difference,

V_{0}

. What is the ratio of their resultant kinetic energies,

\frac{K_{\text {lithium }}}{K_{\text {Helium }}}

? (A)

2 / 3

(B)

6 / 7

(C)

7 / 6

(D)

3 / 2

(A)

2 / 3

(B)

6 / 7

(C)

7 / 6

(D)

3 / 2

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