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In 30 years average height will be very different from now?

What if you drive a nail in the trunk of a young tree that is three meters tall. The nail is about 1.5 meters from the ground. Fifteen years later you return and discover the tree has grown to a height of 30 meters. The nail is now how many meters from th

  • Answer:

    Well now, let's see. If the nail is 1.5 m from the ground when the tree is 3 m tall, that means it is half-way up the tree. If the tree is 30 m tall, the nail should be 15 m from the ground, assuming a constant rate of growth.

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Well now, let's see. If the nail is 1.5 m from the ground when the tree is 3 m tall, that means it is half-way up the tree. If the tree is 30 m tall, the nail should be 15 m from the ground, assuming a constant rate of growth.

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