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Vesna [10]
3 years ago
10

A plane flies 1.4 hours at 150 mph on a bearing of 10. It then turns and flies hours at the same speed on a bearing of . How far

is the plane from its starting​ point?
Mathematics
1 answer:
Gnesinka [82]3 years ago
4 0

Answer:

The answer is "1035.76 miles"

Explanation:

The aircraft flies at 120 mph for 1.5 hours at a 10^{\circ} bearing, then flies at the very same speed at 100^{\circ} bearings for 8.5 hours.

However an angle of 100-10 = 90^{\circ} between displacements

First shifts= 1.5 \times 120 = 180\  miles.

Second shift = 8.5\times 120 = 1020\ miles.

These two shifts are at 90^{\circ} and therefore the final shift is:

\to \sqrt{180^2+1020^2}=1035.76 \ miles

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