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Q. On a safari, you are spear fishing while wading in a river. You observe a fish gliding by you. If your line of sight to the fish is 68.0° below the horizontal in air, and Assume the spear follows a straight line path by the air and water after it is free, determine the angle below the horizontal that you must aim your spear gun in order to catch dinner. Suppose the spear gun barrel is 1.70 m above the water surface, the fish is 1.40m below surface, and the spear travels in a straight line all the way to fish.

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