katrice5414 katrice5414

28-02-2024
Physics

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What is the minimum speed for a rollercoaster to remain in contact with the tracks if it is doing an upside-down loop of radius 350 m?
a) 19.6 m/s
b) 20.6 m/s
c) 21.6 m/s
d) 22.6 m/s

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