Please include the figure, fbd and formula. An empty freight car with a mass of 10,000 kg rolls at 5 m/s along a level track and collides with a loaded car with a mass of 20,000 kg, standing at rest with brakes released. Friction can be neglected. If the cars couple together, find their speed after the collision. a. Find the decrease in kinetic energy as a result of the collision. b. With what speed should the loaded car be rolling towards the empty car for both to be brought to rest by the collision?
Please include the figure, fbd and formula. An empty freight car with a mass of 10,000 kg rolls at 5 m/s along a level track and collides with a loaded car with a mass of 20,000 kg, standing at rest with brakes released. Friction can be neglected. If the cars couple together, find their speed after the collision. a. Find the decrease in kinetic energy as a result of the collision. b. With what speed should the loaded car be rolling towards the empty car for both to be brought to rest by the collision?
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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Please include the figure, fbd and formula.
An empty freight car with a mass of 10,000 kg rolls at 5 m/s along a level track and collides with a loaded car with a mass of 20,000 kg, standing at rest with brakes released. Friction can be neglected. If the cars couple together, find their speed after the collision.
a. Find the decrease in kinetic energy as a result of the collision.
b. With what speed should the loaded car be rolling towards the empty car for both to be brought to rest by the collision?
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