9) An airplane has airspeed of 400 mph in the north direction. The wind is blowing at 100 mph in the S53.13°E direction. Answer the following: a) Express the velocity of the airplane va in terms of i and j. 400j b) Express the wind velocity v in terms of i and j. 80i - 60j c) Find the velocity of the airplane with respect to the ground. 80i + 340j d) Find the actual speed of the airplane with respect to the ground. (2 decimals) 349 28 mph

9) An airplane has airspeed of 400 mph in the north direction. The wind is blowing at 100 mph in the S53.13°E direction. Answer the following: a) Express the velocity of the airplane va in terms of i and j. 400j b) Express the wind velocity v in terms of i and j. 80i - 60j c) Find the velocity of the airplane with respect to the ground. 80i + 340j d) Find the actual speed of the airplane with respect to the ground. (2 decimals) 349 28 mph

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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Question

How did they get these anwers?

9) An airplane has airspeed of 400 mph in the north direction. The wind is blowing at
100 mph in the S53.13°E direction. Answer the following:
a) Express the velocity of the airplane va in terms of i and j.
400j
b) Express the wind velocity v in terms of i and j.
80i - 60j
c) Find the velocity of the airplane with respect to the ground.
80i + 340j
d) Find the actual speed of the airplane with respect to the ground. (2 decimals)
349 28 mph

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