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A railroad flatcar is traveling to the right at a speed of

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

Problem 32E Chapter 3

University Physics | 13th Edition

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University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

University Physics | 13th Edition

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Problem 32E

A railroad flatcar is traveling to the right at a speed of 13.0 m/s relative to an observer standing on the ground. Someone is riding a motor scooter on the flatcar (?Fig. E3.30?). What is the velocity (magnitude and direction) of the scooter relative to the flat-car if the scooter’s velocity relative to the observer on the ground is (a) 18.0 m/s to the right? (b) 3.0 m/s to the left? (c) zero?

Step-by-Step Solution:

Solution 32E Step 1 of 3: What is the velocity (magnitude and direction) of the scooter relative to the flat-car if the scooter’s velocity relative to the observer on the ground is (a) 18.0 m/s to the right Here since the speeds are very less compared to speed of light, we can use normal velocity vector addition; The speed of the scooter relative to flat-car(moving) v scooterflatcar scooterground vflatcarground Where v scooterflatcar the speed of the scooter relative to flat-car(moving) v is the speed of scooter relative to ground. scooterground v is the speed of flatcar relative to ground. flatcarground Using v scooterground8 m/s and v flatcarground13 m/s in above equation, v scooterflatcar3 m/s 13 m/s v scooterflatcar m/s Since to the right is taken as positive.As the velocity of scooter relative to flatcar is also positive, which means it is 5 m/s towards right. Step 2 of 3: (b) 3.0 m/s to the left The speed of the scooter relative to flat-car(moving) vscooterflatcarv scooterground vflatcarground Where vscooterflatcar the speed of the scooter relative to flat-car(moving) v is the speed of scooter relative to ground. scooterground vflatcargrounds the speed of flatcar relative to ground. Using v scooterground - 3 m/s and v flatcarground13 m/s in above equation, vscooterflatcar 3 m/s 13 m/s v = 16 m/s scooterflatcar Since to the right is taken as positive.As the velocity of scooter relative to flatcar is negative, which means relative velocity of scooter relative to flat car is 16 m/s towards left.

Step 3 of 3

Chapter 3, Problem 32E is Solved
Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

This textbook survival guide was created for the textbook: University Physics, edition: 13. University Physics was written by and is associated to the ISBN: 9780321675460. Since the solution to 32E from 3 chapter was answered, more than 788 students have viewed the full step-by-step answer. The answer to “A railroad flatcar is traveling to the right at a speed of 13.0 m/s relative to an observer standing on the ground. Someone is riding a motor scooter on the flatcar (?Fig. E3.30?). What is the velocity (magnitude and direction) of the scooter relative to the flat-car if the scooter’s velocity relative to the observer on the ground is (a) 18.0 m/s to the right? (b) 3.0 m/s to the left? (c) zero?” is broken down into a number of easy to follow steps, and 73 words. The full step-by-step solution to problem: 32E from chapter: 3 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. This full solution covers the following key subjects: scooter, relative, Right, flatcar, velocity. This expansive textbook survival guide covers 26 chapters, and 2929 solutions.

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