SCAN0022

# SCAN0022 - ﬁ 3 In an amusement park ride riders stand...

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Unformatted text preview: ﬁ\ 3. In an amusement park ride, riders stand with their backs against the wall of a spinning vertical cylinder. The ﬂoor falls away and the riders are held up by static friction. If the radius of the cylinder is 5.0 m, find the minimum number of revolutions per minute to prevent riders from dropping. The coefficient of static { 5 6M friction between rider and wall is 0.5. S 4. An exit ramp from a freeway has a radius of curvature of 400 m and is unbanked (ﬂat horizontal) If the static coefficient of friction between the road and a car is 0.5, calculate the maximum speed tha- a car can safely exit the freeway. ...
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