Q4. As shown in the image below, the freight cars A and Bare approaching each other, and they have a mass of mA = 20 Mg and mB = 15 Mg, respectively. The directions of their initial velocities are shown in the image, and the speeds are vA,1 = 4.3 m/s and vB,1 = 1.2 m/s. If the two cars collide and get stuck together, then move with the same velocity, determine their common velocity after the collision. Right is considered the positive direction and negative sign must be included if they move to the left after the collision. Please pay attention: the numbers may change since they are randomized. Your answer must include 3 places after the decimal point, and proper Sl unit. VA,1 VB,1 A В Your Answer: Answer units
Q4. As shown in the image below, the freight cars A and Bare approaching each other, and they have a mass of mA = 20 Mg and mB = 15 Mg, respectively. The directions of their initial velocities are shown in the image, and the speeds are vA,1 = 4.3 m/s and vB,1 = 1.2 m/s. If the two cars collide and get stuck together, then move with the same velocity, determine their common velocity after the collision. Right is considered the positive direction and negative sign must be included if they move to the left after the collision. Please pay attention: the numbers may change since they are randomized. Your answer must include 3 places after the decimal point, and proper Sl unit. VA,1 VB,1 A В Your Answer: Answer units
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Transcribed Image Text:Q4. As shown in the image below, the freight cars A and Bare approaching each
other, and they have a mass of mA = 20 Mg and mB = 15 Mg, respectively. The
directions of their initial velocities are shown in the image, and the speeds are VA,1 =
4.3 m/s and vB,1 = 1.2 m/s. If the two cars collide and get stuck together, then move
with the same velocity, determine their common velocity after the collision. Right is
considered the positive direction and negative sign must be included if they move to
the left after the collision. Please pay attention: the numbers may change since they
are randomized. Your answer must include 3 places after the decimal point, and
proper Sl unit.
%3D
VA,1
A
VB,1
В
Your Answer:
Answer
units
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