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Question1

A gun shoots bullets that leave the muzzle with a speed of 239. If a bullet is to hit a target 111 away at the level of the muzzle, gun should be aimed at a point above the target. How far above a target is this point?

Question2

Mike's boat can travel 4.0 m/s in still water. One sunny afternoon, you and Mike decide to go fishing. though waiting for the bite, you begin thinking, "If this river is flowing at 5.5m/s southward, and we are heading eastward, straight across the river, what are direction and magnitude of our total velocity?" respond your own question.

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