Batman’s archnemesis Bane is going to crash this plane with no survivors. Assuming the plane begins at a cruising altitude of 37,000 ft and with no vertical velocity, how long would it remain in freefall before it hits the ground?

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the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.

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