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1,000 m QuestiIOn (a) A light aircraft is flying at a constant altitude of 1,000 m in a straight line over level terrain, and is approaching ground point P. At 11.14 am, the aircraft is over ground point A, and the angle of elevation of its nose from P is 20°. Precisely 30 seconds later, it is over ground point B where the angle of elevation of its nose from P is 60°. 600 P. 200 B. i. To the nearest metre, determine the straight-line ground distances AP and BP. ii. Determine the speed of the aircraft in km. h-, to the nearest unit.

1,000 m QuestiIOn (a) A light aircraft is flying at a constant altitude of 1,000 m in a straight line over level terrain, and is approaching ground point P. At 11.14 am, the aircraft is over ground point A, and the angle of elevation of its nose from P is 20°. Precisely 30 seconds later, it is over ground point B where the angle of elevation of its nose from P is 60°. 600 P. 200 B. i. To the nearest metre, determine the straight-line ground distances AP and BP. ii. Determine the speed of the aircraft in km. h-, to the nearest unit.

Trigonometry (11th Edition)
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Find ground distance and speed of aircraft

1,000 m Questiol THn (a) A light aircraft is flying at a constant altitude of 1,000 m in a straight line over level terrain, and is approaching ground point P. At 11.14 am, the aircraft is over ground point A, and the angle of elevation of its nose from P is 20°. Precisely 30 seconds later, it is over ground point B where the angle of elevation of its nose from P is 60°. 600 200 P B i. To the nearest metre, determine the straight-line ground distances AP and BP. ii. Determine the speed of the aircraft in km. h, to the nearest unit.
Transcribed Image Text:1,000 m Questiol THn (a) A light aircraft is flying at a constant altitude of 1,000 m in a straight line over level terrain, and is approaching ground point P. At 11.14 am, the aircraft is over ground point A, and the angle of elevation of its nose from P is 20°. Precisely 30 seconds later, it is over ground point B where the angle of elevation of its nose from P is 60°. 600 200 P B i. To the nearest metre, determine the straight-line ground distances AP and BP. ii. Determine the speed of the aircraft in km. h, to the nearest unit.
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