Question: Dominoes falling make a wave. We may conjecture that the wave speed v depends on the spacing d between the dominoes, the height h of

Dominoes falling make a wave. We may conjecture that the wave speed v depends on the spacing d between the dominoes, the height h of each domino, and the acceleration due to gravity g.
(a) Find the dimensional formula for each of the four quantities.
(b) Show that {∏1 = h/d, ∏2 = dg/v2 g is a complete set of dimensionless products.

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