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August 22, 2014

Homework Help: physics

Posted by Jamie on Saturday, October 10, 2009 at 8:13pm.

An inquisitive physics student and mountain climber climbs a 50.0 m cliff that overhangs a calm pool of water. He throws two stones vertically downward, 1.00 s apart, and observes that they cause a single splash. The first stone has an initial speed of 2.08 m/s downward.

(a) How long after release of the first stone do the two stones hit the water?

(b) What initial velocity must the second stone have if they are to hit simultaneously?
2 m/s (downward)

(c) What is the speed of each stone at the instant the two hit the water?
--first stone? (downward)
--the second stone? (downward)

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