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Chapter two test your understanding


Aquamarine

Question

For the kinematics test your understanding question 5: an object is dropped from a given height h at the same time an identical object is launched vertically upward from the ground determine the initial velocity of the object launched upward such that the two objects collide at h/2, how do you solve this? 

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With your kinematic equations.  Set up separate vi, fi, d, a, t tables for your two objects, and see what commonalities and relationships you can build based on the given information.  Then, solve for vi of the object that starts on the ground (hint -- be careful picking whether you call up or down the positive y-direction.  Either will work, but once you pick it, stick with it for the duration of the problem).

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