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Home Q & A Board Science-Related Homework Help Mathematics Calculus
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jmoney5 jmoney5
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4 years ago
Round results to an appropriate number of significant digits.


A plane is found by radar to be flying 5.2 km above the ground. The angle of elevation from the radar to the plane is 81.8°. Ten seconds later, the plane is directly over the station. Find the speed of the plane, assuming that it is flying level.

▸ 270 km/hr

▸ 290 km/hr

▸ 260 km/hr

▸ 280 km/hr
Textbook 
Basic Technical Mathematics with Calculus

Basic Technical Mathematics with Calculus


Edition: 10th
Author:
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gumpfablegumpfable
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4 years ago
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jmoney5 Author
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4 years ago
Helps a lot... Now I'm ready for my quiz
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