(b) Figure 2 shows two trains that are moving on the same direction from a same initial position of O. The speed of the trains at the point O is given by va= 70 m/s and vB = 30 m/s. If the train B is decelerating at aB =- 0.3 m/s to stop at the next station while train A continues the traveling with a constant speed, calculate the distance between both trains at the instant the train B stops at the station. Use SA and sB to describe the distance of the trains from the initial position of O. [Rajah 2 menunjukkan dua buah kereta api yang sedang bergerak dalam arah yang sama dari satu kedudukan asalan O yang sama. Laju kereta api - kereta api tersebut pada titik O diberikan oleh va = 70 m/s dan vg = 30 m/s. Sekiranya kereta api B menyahpecut pada ag=- 0.3 m/s untuk berhenti di stesen berikutnya sementara kereta api A meneruskan perjalanan dengan laju pegun, kirakan jarak di antara kedua-dua kereta api tersebut pada ketika kereta api B berhenti di stesen berkenaan. Gunakan sa dan Sg untuk menerangkan jarak di antara kereta api-kereta api itu dari posisi asalan O.]

(b) Figure 2 shows two trains that are moving on the same direction from a same initial position of O. The speed of the trains at the point O is given by va= 70 m/s and vB = 30 m/s. If the train B is decelerating at aB =- 0.3 m/s to stop at the next station while train A continues the traveling with a constant speed, calculate the distance between both trains at the instant the train B stops at the station. Use SA and sB to describe the distance of the trains from the initial position of O. [Rajah 2 menunjukkan dua buah kereta api yang sedang bergerak dalam arah yang sama dari satu kedudukan asalan O yang sama. Laju kereta api - kereta api tersebut pada titik O diberikan oleh va = 70 m/s dan vg = 30 m/s. Sekiranya kereta api B menyahpecut pada ag=- 0.3 m/s untuk berhenti di stesen berikutnya sementara kereta api A meneruskan perjalanan dengan laju pegun, kirakan jarak di antara kedua-dua kereta api tersebut pada ketika kereta api B berhenti di stesen berkenaan. Gunakan sa dan Sg untuk menerangkan jarak di antara kereta api-kereta api itu dari posisi asalan O.]

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter3: Motion Along A Straight Line

Section: Chapter Questions

Problem 90AP: An ambulance driver is rushing a patient to the hospital. While traveling at 72 km/h, she notices...

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