In an Amusement Park Ride, a Child Stands Against the Wall

question 39

Multiple Choice

In an amusement park ride, a child stands against the wall of a cylindrical room that is then made to rotate. The floor drops downward and the child remains pinned against the wall. If the radius of the room is 2.15 m and the relevant coefficient of friction between the child and the wall is 0.600, with what minimum speed is the child moving if he is to remain pinned against the wall?

• A)7.26 m/s
• B)3.93 m/s
• C)12.1 m/s
• D)5.93 m/s
• E)9.80 m/s

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