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What is the speed ratio (vA/vB) if particle A has 6 times the kinetic energy and half the mass of particle B?

3.46
1.73
2.45
0.289

1 answer

KE = 1/2 m vB^2

6 KE = 1/2 * m/2 * vA^2

12 = (vA / vB)^2

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