A railway wagon A of mass 12 x 103 kg coasting at 1.2 m/s on a horizontal track crashes head-on and couples with a wagon B of mass 10 x 103 kg coasting at 1 m/s in the opposite direction, as shown in Figure 6. Determine: a) the common speed of the wagons just after collision assuming that the wheels are free to roll during collision3B b) the average force between the two wagons, if the coupling takes place in 0.9 s. 1.2 m/s 1 m/s A

A railway wagon A of mass 12 x 103 kg coasting at 1.2 m/s on a horizontal track crashes head-on and couples with a wagon B of mass 10 x 103 kg coasting at 1 m/s in the opposite direction, as shown in Figure 6. Determine: a) the common speed of the wagons just after collision assuming that the wheels are free to roll during collision3B b) the average force between the two wagons, if the coupling takes place in 0.9 s. 1.2 m/s 1 m/s A

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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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.

Question

A raliway wagon A of mass 12 x 103 kg coasting at 1.2 m/s on a horizontal track
crashes head-on and couples with a wagon B of mass 10 x 103 kg coasting at 1 m/s
in the opposite direction, as shown in Figure 6. Determine:
a) the common speed of the wagons just after collision assuming that the wheels
are free to roll during collision%3B
b) the average force between the two wagons, if the coupling takes place in 0.9 s.
1.2 m/s
1 m/s
B

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