A roller coaster reaches a velocity of 20 m/s at a location where the – McqOptions

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1.	A roller coaster reaches a velocity of 20 m/s at a location where the radius of curvature is 40 m. Calculate the acceleration in m/s2?
A.	10
B.	9
C.	11
D.	8
E.	107 dynes
Answer» B.

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