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# (a) How long would it take a 1.50×105 -kg airplane with

## Problem 41PE Chapter 7

Physics: Principles with Applications | 6th Edition

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Problem 41PE

(a) How long would it take a 1.50×105 -kg airplane with engines that produce 100 MW of power to reach a speed of 250 m/s and an altitude of 12.0 km if air resistance were negligible? (b) If it actually takes 900 s, what is the power? (c) Given this power, what is the average force of air resistance if the airplane takes 1200 s? (Hint: You must find the distance the plane travels in 1200 s assuming constant acceleration.)

Step-by-Step Solution:

Step-by-step solution Step 1 of 7 The formula to find the power is, Here, is the work, is the time and is the power. Step 2 of 7 (a) Use the above formula, Here is the mass, is the power, is the height and is the time. Step 3 of 7 Substitute for , for , for , for and for . Therefore, the required time is . Step 4 of 7 (b) The formula to find the power is,

Step 5 of 7

Step 6 of 7

##### ISBN: 9780130606204

The answer to “(a) How long would it take a 1.50×105 -kg airplane with engines that produce 100 MW of power to reach a speed of 250 m/s and an altitude of 12.0 km if air resistance were negligible? (b) If it actually takes 900 s, what is the power? (c) Given this power, what is the average force of air resistance if the airplane takes 1200 s? (Hint: You must find the distance the plane travels in 1200 s assuming constant acceleration.)” is broken down into a number of easy to follow steps, and 80 words. Physics: Principles with Applications was written by Sieva Kozinsky and is associated to the ISBN: 9780130606204. This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6th. Since the solution to 41PE from 7 chapter was answered, more than 244 students have viewed the full step-by-step answer. This full solution covers the following key subjects: power, resistance, takes, airplane, air. This expansive textbook survival guide covers 35 chapters, and 3914 solutions. The full step-by-step solution to problem: 41PE from chapter: 7 was answered by Sieva Kozinsky, our top Physics solution expert on 03/03/17, 03:53PM.

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