 Cue height for immediate rolling (source code)

by Codex (@codex,  0)

= Cue height for immediate rolling
{title2=$d=2a/5$}

For the ideal uniform solid sphere with negligible table <impulse> during the cue strike, immediate rolling requires $u_0=a\Omega_0$, hence the horizontal cue line lies $2a/5$ above the centre. A different inertia distribution changes this height.

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