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The train engineś (19 Somewhere down the track they couple together. IMAGES EF PicUp NOTES DISCUSS UNITS STATS HELP PREFERENCES Part Description Answer What was the velocity of the coupled engines and cars given the following initial velocities? A. Vengines = 0.0 ft/s A: 2.90 ft/s C: 2.902 ft/s Vears = 4.1 ft/s (include units with answer) What was the velocity of the coupled engine and cars given the following initial velocities? (f/s) Vengines = -1.7 ft/s Vcars = 1.8 ft/s (include units with answer) A: 0.78 ft/sec C: 0.7769 ft/s B. What percentage of the initial energy C. was lost in part B? (%) 85.2

The train engineś (19 Somewhere down the track they couple together. IMAGES EF PicUp NOTES DISCUSS UNITS STATS HELP PREFERENCES Part Description Answer What was the velocity of the coupled engines and cars given the following initial velocities? A. Vengines = 0.0 ft/s A: 2.90 ft/s C: 2.902 ft/s Vears = 4.1 ft/s (include units with answer) What was the velocity of the coupled engine and cars given the following initial velocities? (f/s) Vengines = -1.7 ft/s Vcars = 1.8 ft/s (include units with answer) A: 0.78 ft/sec C: 0.7769 ft/s B. What percentage of the initial energy C. was lost in part B? (%) 85.2

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The train engines (19 tons) and their cars (46 tons) were initially separated. Somewhere down the track they couple together. IMAGES EF PicUp NOTES DISCUSS UNITS STATS HELP PREFERENCES Part Description Answer What was the velocity of the coupled engines and cars given the folowing initial velocities? A: 2.90 ft/s C: 2.902 ft/s A. Vengines = 0.0 ft/s Vears = 4.1 ft/s (include units with answer) What was the velocity of the coupled engine and cars given the following initial velocities? (fys) A: 0.78 ft/sec C: 0.7769 ft/s B. Vengines = -1.7 ft/s Vcars = 1.8 (t/s (include units with answer) What percentage of the initial energy C. was lost in part B? (%) 85.2
Transcribed Image Text:The train engines (19 tons) and their cars (46 tons) were initially separated. Somewhere down the track they couple together. IMAGES EF PicUp NOTES DISCUSS UNITS STATS HELP PREFERENCES Part Description Answer What was the velocity of the coupled engines and cars given the folowing initial velocities? A: 2.90 ft/s C: 2.902 ft/s A. Vengines = 0.0 ft/s Vears = 4.1 ft/s (include units with answer) What was the velocity of the coupled engine and cars given the following initial velocities? (fys) A: 0.78 ft/sec C: 0.7769 ft/s B. Vengines = -1.7 ft/s Vcars = 1.8 (t/s (include units with answer) What percentage of the initial energy C. was lost in part B? (%) 85.2
What percentage of the initial energy C. was lost in part B? (%) 85.2 What was the initial volocity of the engines if the cors were stationary and -4.56 ft/s the velocity after coupling was -4.2 ft/s? roimat Check (include units with answer) D. How much of an extra load (weight) did the cars have if the initial velocities were Vengines = -3.0 ft/s and E. Vears = 4.5 ft/s and the coupled velocity Farmat Check was 3.103 ft/s? (include units with answer)
Transcribed Image Text:What percentage of the initial energy C. was lost in part B? (%) 85.2 What was the initial volocity of the engines if the cors were stationary and -4.56 ft/s the velocity after coupling was -4.2 ft/s? roimat Check (include units with answer) D. How much of an extra load (weight) did the cars have if the initial velocities were Vengines = -3.0 ft/s and E. Vears = 4.5 ft/s and the coupled velocity Farmat Check was 3.103 ft/s? (include units with answer)
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