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Part (a) Assuming negligible friction, determine the speed of the riders at the bottom of its arc, given the system's center of mass travels in an arc having a radius of 12.8 meter and the riders are near the center of mass in m/s.

r = 12.8 meter

m = 59 kilogram

Part (b) Find the centripetal acceleration at the bottom of the arc in m/s2?

Part (c) Determine how many times her weight is the normal force exerted by the ride on a 59 kilogram rider?

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