13. On a camping trip, you decide to hang your backpack from a rope stretched
between two tree...
Mathematics, 24.03.2020 22:46 ciarab196
13. On a camping trip, you decide to hang your backpack from a rope stretched
between two trees, so bears can't steal your food while you sleep. The trees are 20
feet apart, and the rope is tied to each tree at a spot 12 feet above the ground. When
you hang your backpack on the rope, the weight of the pack pulls the rope down a
little each side of the rope now makes an angle of 15 degrees with the horizontal.
That night, a bear comes into your camp and tries to get your backpack with the
food in it. Standing on its back legs, the bear can reach 8 feet into the air. Is your
stuff safe? (Your backpack is two feet long.)
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