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Math Help - Speed of skydiver

  1. #16
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    Quote Originally Posted by topsquark View Post
    Ever used a parachute? Take a look at that b value. At a first glance the numbers look about right to me as well.

    -Dan
    Isn't there a minimum altitude of something like 2200 feet to deploy your parachute while skydiving? I'm assuming that's so the parachute has enough time to slow you down.
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  2. #17
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    Quote Originally Posted by chengbin View Post
    Isn't there a minimum altitude of something like 2200 feet to deploy your parachute while skydiving? I'm assuming that's so the parachute has enough time to slow you down.
    The air resistance of a parachute is huge. That's why the b value is so large. Think of it this way. Have you ever seen "in jump" video of two sky divers? When the first deploys the chute it looks like the sky diver is actually moving upward at a fantastic rate. What the chute is actually doing is slowing the sky diver very quickly. As the solution suggests.

    -Dan
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