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Physics, 21.01.2021 14:00 Cocco

1. Suppose a large rock is ejected from a volcano with a speed of 25m/s and at an angle of 35 above the horizontal. If the rock strikes the side of the volcano at an altitude 20m lower than the
starting point.
(a) Calculate the time it takes the rock to reach the starting point.
(b) What are the magnitude and direction of the rock's velocity at impact?

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