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Old Feb 7th 2009, 02:44 PM   #1
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Join Date: Feb 2009
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Horizontal/vertical components

Urgent hekp for Monday, please!!!

A runner i A runner is slowing down at a rate of 0.70 m/s2. At the moment he is moving forward at 1.5 m/s, he throws a stick upward so that it reaches a height of 3.0 m, and then he catches it at the same level it was thrown without changing his position. What are the vertical and horizontal components of the stick’s velocity relative to the runner when the stick left his hand.

Two girls are playing catch with a flying disk when it gets stuck in a tree. The disk is lodged between two branches 8.8 m above the ground. If a rock is thrown straight up to hit the disk, what is the minimum speed with which the disk must be thrown?
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