# Physics

posted by Josie

A crate of eggs is located in the middle of the flat bed of a pickup truck as the truck negotiates a curve in the flat road. The curve may be regarded as an arc of a circle of radius 37.9 m. If the coefficient of static friction between crate and truck is 0.550, how fast can the truck be moving without the crate sliding?

1. Josie

Oh.
μmg=mv²/r
μg=v²/r
μgr=v²
v²=(0.550)(9.80)(37.9)

v ~= 14.3m/s

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