February 24, 2017

Homework Help: physics

Posted by Mary on Friday, February 18, 2011 at 1:29pm.

An arrow is short vertically upward with an initial speed of 25m/s. When it's exactly halfway to the top of its flight, a second arrow is launched vertically upward from the same spot. The second arrow reaches the first arrow just as the first arrow reaches its highest arrow.
1. What is the launch speed of the second arrow? (ans. 26.519m/s)
2. What maximum height does the second arrow reach? (ans. 35.87m)

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