Tobogganed coasts down a hill and then goes over a slight rise by speed 1.5 m/s. The top of this rise can be taken to be a circle of radius 3 m. The toboggan and occupant have a combined mass of 110 kg. If the coefficient of kinetic friction among the snow and the toboggan is 0.10, what frictional force is exerted on the toboggan with the snow as the toboggan goes over the top of the rise?
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