Posted by Liz on Wednesday, October 3, 2012 at 10:36pm.
1.00 * 103 rpm is a unit of angular velocity.
a = w^2 * r, where a is radial acceleration, and w is angular velocity, and r is the radius
You need to express your answer as a multiple of g, which is in units of m/s^2
Convert w = 1.00 * 103 rpm to rps (rotations per minute to rotations per second)
convert r = 8.16 cm to m
plug these numbers into the equation to get the acceleration, divide by g (9.8 m/s^2) to get answer
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