Consider a train consisting of an engine of mass 55 tonne pulling 10 trucks, each of mass 13 tonne, travelling up an incline of 1 in 100 (sine). The rolling resistance to motion is 40 N/tonne, and the train's speed is increased from 20 km/h to 37 km/h over a distance of 600 m. Enter all the following answers in the units shown. Calculate: (a) the total mass of the train: kg. (b) the change in height of the train: metres. (c) the change in potential energy of the train: MJ. (d) the starting velocity of the train: m/s. (e) the final velocity of the train: m/s. (f) the change in kinetic energy of the train: MJ. (g) the work done against the rolling resistance: MJ. (h) the total work done by the engine: MJ.
Consider a train consisting of an engine of mass 55 tonne pulling 10 trucks, each of mass 13 tonne, travelling up an incline of 1 in 100 (sine). The rolling resistance to motion is 40 N/tonne, and the train's speed is increased from 20 km/h to 37 km/h over a distance of 600 m. Enter all the following answers in the units shown. Calculate: (a) the total mass of the train: kg. (b) the change in height of the train: metres. (c) the change in potential energy of the train: MJ. (d) the starting velocity of the train: m/s. (e) the final velocity of the train: m/s. (f) the change in kinetic energy of the train: MJ. (g) the work done against the rolling resistance: MJ. (h) the total work done by the engine: MJ.
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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Question
Consider a train consisting of an engine of mass 55 tonne pulling 10 trucks, each of mass 13 tonne, travelling up an incline of 1 in 100 (sine). The rolling resistance to motion is 40 N/tonne, and the train's speed is increased from 20 km/h to 37 km/h over a distance of 600 m.
Calculate:
the total mass of the train: kg.
the change in height of the train: metres.
the change in potential energy of the train: MJ.
the starting velocity of the train: m/s.
the final velocity of the train: m/s.
the change in kinetic energy of the train: MJ.
the work done against the rolling resistance: MJ.
the total work done by the engine: MJ.
Transcribed Image Text:Consider a train consisting of an engine of mass 55 tonne pulling 10 trucks, each of mass 13
tonne, travelling up an incline of 1 in 100 (sine). The rolling resistance to motion is 40
N/tonne, and the train's speed is increased from 20 km/h to 37 km/h over a distance of 600
m.
Enter all the following answers in the units shown.
Calculate:
(a) the total mass of the train: kg.
(b) the change in height of the train: metres.
(c) the change in potential energy of the train: MJ.
(d) the starting velocity of the train: m/s.
(e) the final velocity of the train: m/s.
(f) the change in kinetic energy of the train: MJ.
(g) the work done against the rolling resistance: MJ.
(h) the total work done by the engine: MJ.
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