An aeroplane flies against the wind from town Alpha to town Beta in 8 hours. The same aeroplane returnsfrom town Beta to town Alpha in the same direction as the wind, in 7 hours. The ratio of the speed of theaeroplane (in still air) to the speed of wind is ...A) 3:5B) 8:7C) 15:1D) 1:15

We can use the concept of relative speed which states that if both object moves in the same…

Answered: An aeroplane flies against the wind…

Calculus: Early Transcendentals

8th Edition

ISBN:9781285741550

Author:James Stewart

Publisher:James Stewart

Chapter1: Functions And Models

Section: Chapter Questions

Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...

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A pedestal is 5.43 feet tall, and a statue is placed on top of it. A spotlight on the floor lights up the pedestal and statue. [a] The angle of elevation from the spotlight to the bottom of the statue is 57 degrees , and the angle of depression from the top of the statue to the spotlight is 71 degrees .How tall is the statue ?Your final answer must be an exact value (ie. do not use your calculator).Your final answer may involve fractions, radicals, angles and/or trigonometric functions and the decimal number given in the problem. HINT: You will need to calculate another quantity first. [b]Using your calculator, round the answer to [a] to 2 decimal places. [c] The pedestal is replaced with a pedestal of a different height, with the same statue placed on top of it.The spotlight is moved and tilted so that the angle of elevation from the spotlight to the bottom of the statue is now 41 degrees , and the angle of depression from the top of the statue to the spotlight is now 64 degrees…
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An aeroplane flies against the wind from town Alpha to town Beta in 8 hours. The same aeroplane returns from town Beta to town Alpha in the same direction as the wind, in 7 hours. The ratio of the speed of the aeroplane (in still air) to the speed of wind is ... A) 3:5 B) 8:7 C) 15:1 D) 1:15