Derby Light Effect
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physics soap box derby coasting moment of inertia?
In a soap-box derby race, the cars have no engines; they simply coast down a hill to race with one another. Suppose you are designing a car for a coasting race. Do you want to use large wheels or small wheels? Do you want solid disk-like wheels or hoop-like wheels? Should the wheels be heavy or light? You may assume that the mass of the wheels is constant, in the choices regarding size or shape. (Select all that apply. Omit both choices in a pair if neither have a beneficial effect.)
large
small
hooplike
disklike
heavy
light
Small, Solid, and Light. At least, that's what got the answer for me on web assign.
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