Kinetic Energy:

$\overline{)\begin{array}{rcl}\mathbf{K}\mathbf{.}\mathbf{E}& {\mathbf{=}}& \frac{\mathbf{1}}{\mathbf{2}}{\mathbf{mv}}^{\mathbf{2}}\end{array}}$

m_{A} = 0.5m_{B}

KE_{A}/KE_{B} = 8

Particle A has half the mass and eight times the kinetic energy of particle B. What is the speed ratio v_{A}/v_{B}?

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