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OpenStudy (zzr0ck3r):
I have been hired to work on a new movie about Galileo. In one scene he climbs to the top of a tower and, throws a rock at a group of people who say his science is wrong. The rock leaves his hand at 30 degrees from the horizontal. The rock needs to land 15 from the base of the tower. what speed does the rock hit the ground. The rock is in the air for 3 seconds.
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ganeshie8 (ganeshie8):
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