Freight car A with a gross weight of 138000 lb is moving along the horizontal track in a switching yard at 3.0 mi/hr. Freight car B with a gross weight of 166000 lb and moving at 3.9 mi/hr overtakes car A and is coupled to it. Determine (a) the common velocity V of the two cars as they move together after being coupled and (b) the loss of energy |AE| due to the impact. 3.9 mi/hr Answers: (a) V= (b) AEL: B i ; 3.0 mi/hr A mi/hr ft-lh
Freight car A with a gross weight of 138000 lb is moving along the horizontal track in a switching yard at 3.0 mi/hr. Freight car B with a gross weight of 166000 lb and moving at 3.9 mi/hr overtakes car A and is coupled to it. Determine (a) the common velocity V of the two cars as they move together after being coupled and (b) the loss of energy |AE| due to the impact. 3.9 mi/hr Answers: (a) V= (b) AEL: B i ; 3.0 mi/hr A mi/hr ft-lh
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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![Freight car A with a gross weight of 138000 lb is moving along the horizontal track in a switching yard at 3.0 mi/hr. Freight car B with a
gross weight of 166000 lb and moving at 3.9 mi/hr overtakes car A and is coupled to it. Determine (a) the common velocity V of the two
cars as they move together after being coupled and (b) the loss of energy |AE| due to the impact.
3.9 mi/hr
Answers:
(a) V =
B
i
(b) |AE| = i
3.0 mi/hr
mi/hr
ft-lb](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0b9f100d-e836-4f0c-8c85-6b6e750bc97b%2Ffe618bd2-9629-4f20-8838-9735b1c6de54%2Fsmqttdl_processed.png&w=3840&q=75)
Transcribed Image Text:Freight car A with a gross weight of 138000 lb is moving along the horizontal track in a switching yard at 3.0 mi/hr. Freight car B with a
gross weight of 166000 lb and moving at 3.9 mi/hr overtakes car A and is coupled to it. Determine (a) the common velocity V of the two
cars as they move together after being coupled and (b) the loss of energy |AE| due to the impact.
3.9 mi/hr
Answers:
(a) V =
B
i
(b) |AE| = i
3.0 mi/hr
mi/hr
ft-lb
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