In a game war, one team sets base on a cliff 15m high and 60m away from the oppenents base. At what velocity must the attack be launched so that the lower base will be hit? The initial launch is at 20 degrees below the horizontal. If the attcking team launches their attack with velocity of 10 m/s, at what angle and manner should the attack be done?

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
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In a game war, one team sets base on a cliff 15m high and 60m away from the oppenents base. At what velocity must the attack be launched so that the lower base will be hit? The initial launch is at 20 degrees below the horizontal. If the attcking team launches their attack with velocity of 10 m/s, at what angle and manner should the attack be done?
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