Problem 3.51 As you hurry to catch your flight at the local airport, you encount

Question

Problem 3.51

As you hurry to catch your flight at the local airport, you encounter a moving walkway that is 85m long and has a speed of 2.4m/s relative to the ground.

Part A

If it takes you 67s to cover 85m when walking on the ground, how long will it take you to cover the same distance on the walkway? Assume that you walk with the same speed on the walkway as you do on the ground.

Express your answer using two significant figures.

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Problem 3.51

As you hurry to catch your flight at the local airport, you encounter a moving walkway that is 85m long and has a speed of 2.4m/s relative to the ground.

Part A

If it takes you 67s to cover 85m when walking on the ground, how long will it take you to cover the same distance on the walkway? Assume that you walk with the same speed on the walkway as you do on the ground.

Express your answer using two significant figures.

SubmitMy AnswersGive Up

Provide Feedback

Explanation / Answer

Normal speed of walking=distance/time=85/67=1.27 m/s

Speed on walkway= normal speed +speed of walkway=1.27+2.4=3.67 m/s

Time taken= distance/speed=85/3.67=23.2 sec

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