Miranda, a satellite of Uranus, is shown in the figure. It can be modeled as a sphere of radius 242 km and mass 6.68 1019 kg. (Enter only the answers in the input boxes separately given.) (a) Find the free-fall acceleration on its surface. 1. ( Enter in box 1) m/s^2 (b) A cliff on Miranda is 5.00 km high. It appears on the limb at the 11 o'clock position in the figure. A devotee of extreme sports runs horizontally off the top of the cliff at 5.50 m/s. For what time interval is he in flight? (Ignore the difference in g between the lip and base of the cliff.) (Enter only the answers in the input boxes separately given.) 2. ( Enter in box 2) s (c) How far from the base of the vertical cliff does he strike the icy surface of Miranda? 3. ( Enter in box 3) m (d) What is his vector impact velocity? 4. ( Enter in box 4) m/s and 5. ( Enter in box 5) degree below the horizontal

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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!