1. Lava Bombs A volcano shoots out blobs of molten lava, called lava bombs, from its summit, as shown in Figure 3.33. A geologist observing the eruption uses a stopwatch to time the flight of a lava bomb that is projected straight upward. If the time for it to rise to its maximum height is 2.38 s and its acceleration is 9.81 m/s-downward, what was its initial speed?
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