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Nat2105 [25]
3 years ago
6

A runner is jogging in a straight line at a

Physics
1 answer:
oksano4ka [1.4K]3 years ago
5 0

Answer:

13.28 km

Explanation:

The bird flies from the runner, to the finish line, and back to the runner.  We can write two equations for the distance it travels:

d = 8.3 km + 8.3 km − 8.6 km/hr × t

d = 34.4 km/hr × t

Solve for t in the second equation and substitute into the first:

t = d / 34.4

d = 8.3 + 8.3 − 8.6 (d / 34.4)

d = 16.6 − 0.25 d

1.25 d = 16.6

d = 13.28

The bird flies a cumulative distance of 13.28 km.

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