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A skydiver, with parachute open, fell at a constant speed. Five seconds after her parachute opened, her altitude was 1000 m. Twenty-five seconds after her parachute opened, her altitude was 800 m. (a) Draw a graph representing the skydiver’s altitude, a, versus time, t, after her parachute opened. Choose an appropriate scale. (b) Find the point at which the graph crosses the horizontal axis. What do you think this point represents? Explain.
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