You are trying to throw your keys up to your friend who is in a 2nd story window. You stand 15  feet from the house and the window is 18 feet high. If you throw the keys at an angle of 60, what speed would they need to make it

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter3: Motion In Two Dimensions
Section: Chapter Questions
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You are trying to throw your keys up to your friend who is in a 2nd story window. You stand 15 
feet from the house and the window is 18 feet high. If you throw the keys at an angle of 60, what speed would they need to make it

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