An airplane travels 2100 km at a speed of 720 km/h and

Chapter 2, Problem 66GP

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QUESTION:

An airplane travels 2100 km at a speed of 720 km/h, and then encounters a tailwind that boosts its speed to \(990\mathrm{\ km}/\mathrm{h}\) for the next 2800 km. What was the total time for the trip? What was the average speed of the plane for this trip? [Hint: Does Eq. 2–11d apply?]

Equation Transcription:

Text Transcription:

990 km/h

Questions & Answers

QUESTION:

An airplane travels 2100 km at a speed of 720 km/h, and then encounters a tailwind that boosts its speed to \(990\mathrm{\ km}/\mathrm{h}\) for the next 2800 km. What was the total time for the trip? What was the average speed of the plane for this trip? [Hint: Does Eq. 2–11d apply?]

Equation Transcription:

Text Transcription:

990 km/h

ANSWER:

Step 1 of 3

Distance the airplane travels:

Speed of the airplane

Speed of the airplane after encountering tailwind:

Distance the airplane travels under the influence of tailwind:

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