3. Imagine you are canoeing across a lake at night with a friend. You have a...

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3. Imagine you are canoeing across a lake at night with a friend. You have a flashlight in your canoe so you can see where you are going. Now, for some unknown reason, your so-called friend tips the canoe. "Oh no", you shout, "the cooler". Sure enough, the cooler with all the food, and the flashlight, sink to the bottom of the lake, which is ten feet deep. You climb back in the canoe and begin to search for the flashlight, knowing that if you find it you can make your "friend" dive for the cooler. Assuming the water is calm and transparent (n=1.333) and the flashlight lands so that it is pointing straight up (how lucky are you!), you will see the light from the flashlight only from within a radius of how many feet immediately above the waters surface? How can you improve your chances of finding the flashlight and the beer Naix=1 3. Imagine you are canoeing across a lake at night with a friend. You have a flashlight in your canoe so you can see where you are going. Now, for some unknown reason, your so-called friend tips the canoe. "Oh no", you shout, "the cooler". Sure enough, the cooler with all the food, and the flashlight, sink to the bottom of the lake, which is ten feet deep. You climb back in the canoe and begin to search for the flashlight, knowing that if you find it you can make your "friend" dive for the cooler. Assuming the water is calm and transparent (n=1.333) and the flashlight lands so that it is pointing straight up (how lucky are you!), you will see the light from the flashlight only from within a radius of how many feet immediately above the waters surface? How can you improve your chances of finding the flashlight and the beer Naix=1