A child playing in the pool is using a cylindrical can as a boat for his toy soldiers. The can weighs 778.5 N with a height of 1.5 m and a diameter of (0.5)0.5 m. Which of the following most nearly gives the maximum number of toy soldiers, each weighing 1 kN, that the can could carry without sinking? a.) 6 b.) 9  c.) 5

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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!