= Q3. As shown in the image below, the freight cars A and B are approaching each other, and they have a mass of ma 18 Mg and mB = 13 Mg, respectively. The directions of their initial velocities are shown in the image, and the speeds are VA,1 3.9 m/s and VB,1 = 2.7 m/s. After collision the cars rebound, such that B moves to the right with a speed of 1.7 m/s. If A and B are in contact for 0.4 s, find the average impulsive force (in kN) which acts between them. Please pay attention: the numbers may change since they are randomized. Your answer must include 1 place after the decimal point. =

= Q3. As shown in the image below, the freight cars A and B are approaching each other, and they have a mass of ma 18 Mg and mB = 13 Mg, respectively. The directions of their initial velocities are shown in the image, and the speeds are VA,1 3.9 m/s and VB,1 = 2.7 m/s. After collision the cars rebound, such that B moves to the right with a speed of 1.7 m/s. If A and B are in contact for 0.4 s, find the average impulsive force (in kN) which acts between them. Please pay attention: the numbers may change since they are randomized. Your answer must include 1 place after the decimal point. =

Name: Q3. As shown in the image below, the freight cars A and B are approac
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Description: Q3. As shown in the image below, the freight cars A and B are approaching eachother, and they have a mass of mA = 18 Mg and mg = 13 Mg, respectively. Themådirections of their initial velocities are shown in the image, and the speeds are VÃ,1 =3.9 m/

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

Q3. As shown in the image below, the freight cars A and B are approaching each
other, and they have a mass of mA = 18 Mg and mg = 13 Mg, respectively. The
må
directions of their initial velocities are shown in the image, and the speeds are VÃ,1 =
3.9 m/s and VB,1 = 2.7 m/s. After collision the cars rebound, such that B moves to
the right with a speed of 1.7 m/s. If A and B are in contact for 0.4 s, find the average
impulsive force (in kN) which acts between them. Please pay attention: the numbers
may change since they are randomized. Your answer must include 1 place after the
decimal point.
A
Your Answer:
VA,1
Answer
B
KAM
VB.1

Expert Solution

Step 1

From the conservation of momentum, the final speed of the car A can be determined as shown below.

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