Solution: If she reaches the bottom at the end of 14 seconds, how far did she coasts?

A girl on a bicycle coasts downhill is covering 4 feet the first second, 12 feet the second second, and in general, 8 feet more each second than the previous second. If she reaches the bottom at the end of 14 seconds, how far did she coasts?

If she reaches the bottom at the end of 14 seconds, how far did she coasts?

Problem Statement: EE Board April 1997

A girl on a bicycle coasts downhill is covering 4 feet the first second, 12 feet the second second, and in general, 8 feet more each second than the previous second. If she reaches the bottom at the end of 14 seconds, how far did she coasts?

Problem Answer:

The girl reaches the bottom as far as 784 feet.

Solution:

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