Go for it. - PowerPoint PPT Presentation

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Go for it.

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... has crash landed on the Moon 67 miles from its intended target, the Moon Base at ... The astronaut must leave his craft and make his way unaided to the Moon Base. ... – PowerPoint PPT presentation

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Title: Go for it.


1
Go for it.
  • An Investigation

2
  • Go for it?
  • A spacecraft has crash landed on the Moon 67
    miles from its intended target, the Moon Base at
    Armstrong Crater.
  • The astronaut must leave his craft and make his
    way unaided to the Moon Base.
  • The spacecraft has on board, 12 cylinders full of
    oxygen.
  • These cylinders could be attached to the
    astronauts back and carried by him. Each
    cylinder can take the astronaut a distance of 20
    miles and no more.

3
  • Unfortunately the astronaut can only carry two
    cylinders at a time.
  • There is nothing to stop him leaving a cylinder
    a distance from the craft and returning for
    others.
  • Is it possible for the astronaut to reach the
    Moon Base ?
  • Explain all your calculations carefully.

4
Solution
  • Need to get two cylinders
  • to the point 40 miles from the base. This is
    achievable if you can get 3 cylinders to the
    point 46.7 miles from the base. You can do this
    if you can get 6 cylinders to the point 56.7
    miles from the base and this can be done with the
    12 cylinders you started with.
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