Problem 18:   A scooter is traveling at a constant speed v when it encounters a circular hill of radius r=559m . The motorist and scooter together have mass m=169kg .  Part (a)  What speed in, in meters per second, does the scooter have if the motorist feels weightlessness, i.e., has an apparent weight of zero, at the top of the hill?

Physics for Scientists and Engineers: Foundations and Connections
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ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter7: Gravity
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Problem 18:   A scooter is traveling at a constant speed v when it encounters a circular hill of radius r=559m . The motorist and scooter together have mass m=169kg .

 Part (a)  What speed in, in meters per second, does the scooter have if the motorist feels weightlessness, i.e., has an apparent weight of zero, at the top of the hill? 

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