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A 75-Mg boxcar A is moving in a railroad switchyard with a velocity of 12.5 km/h toward cars Band C, which are both at rest with their brakes off at a short distance from each other. Car B is a 30-Mg flatcar supporting a 40-Mg container, and car Cis a 70-Mg boxcar. As the cars hit each other, they get automatically and tightly coupled. v km/h A C B Determine the velocity of car A immediately after each of the two couplings, assuming that the container slides after the first coupling but hits a stop before the second coupling occurs. The velocity of car A after the first coupling is | |km/h →. |km/h →. The velocity of car A after the second coupling is|

A 75-Mg boxcar A is moving in a railroad switchyard with a velocity of 12.5 km/h toward cars Band C, which are both at rest with their brakes off at a short distance from each other. Car B is a 30-Mg flatcar supporting a 40-Mg container, and car Cis a 70-Mg boxcar. As the cars hit each other, they get automatically and tightly coupled. v km/h A C B Determine the velocity of car A immediately after each of the two couplings, assuming that the container slides after the first coupling but hits a stop before the second coupling occurs. The velocity of car A after the first coupling is | |km/h →. |km/h →. The velocity of car A after the second coupling is|

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. A 75-Mg boxcar A is moving in a railroad switchyard with a velocity of 12.5 km/h toward cars Band C, which are both at rest with their brakes off at a short distance from each other. Car Bis a 30-Mg flatcar supporting a 40-Mg container, and car Cis a 70-Mg boxcar. As the cars hit each other, they get automatically and tightly coupled. v km/h A C В NOP Determine the velocity of car A immediately after each of the two couplings, assuming that the container slides after the first coupling but hits a stop before the second coupling occurs. km/h →. The velocity of car A after the first coupling is | The velocity of car A after the second coupling is km/h +.
Transcribed Image Text:Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. A 75-Mg boxcar A is moving in a railroad switchyard with a velocity of 12.5 km/h toward cars Band C, which are both at rest with their brakes off at a short distance from each other. Car Bis a 30-Mg flatcar supporting a 40-Mg container, and car Cis a 70-Mg boxcar. As the cars hit each other, they get automatically and tightly coupled. v km/h A C В NOP Determine the velocity of car A immediately after each of the two couplings, assuming that the container slides after the first coupling but hits a stop before the second coupling occurs. km/h →. The velocity of car A after the first coupling is | The velocity of car A after the second coupling is km/h +.
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