Otto the school bus driver drives his school bus into a 500-m radius horizontal curve on a rainy day when the coefficient of static friction is only 0.5 between its tires and the road. What is the maximum speed at which the bus can travel around this curve without sliding? a) 24.8 m/s b) 33.1 m/s c) 40.1 m/s d) 29.6 m/s e) 49.5 m/s

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!