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A molecule in a gas container hits a horizontal wall with speed 200 msA and angle 30° with the normal, and rebounds with the same speed. Is momentum conserved in the collision? Is the collision elastic or inelastic?

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As a registered tutor on UrbanPro, I can confidently guide you through this question. When a molecule in a gas container collides with a horizontal wall, several factors come into play to determine the nature of the collision. Firstly, let's address the concept of momentum conservation. According...
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As a registered tutor on UrbanPro, I can confidently guide you through this question. When a molecule in a gas container collides with a horizontal wall, several factors come into play to determine the nature of the collision.

Firstly, let's address the concept of momentum conservation. According to the law of conservation of momentum, in the absence of external forces, the total momentum of a system remains constant. In this scenario, the gas molecule collides with the wall and rebounds with the same speed. Since the speed remains constant and there are no external forces acting on the system, momentum is indeed conserved in the collision.

Now, let's discuss the elasticity of the collision. Elastic collisions are those in which both kinetic energy and momentum are conserved. In an elastic collision, the total kinetic energy of the system before the collision is equal to the total kinetic energy after the collision. Since the molecule rebounds with the same speed, and hence the same kinetic energy, we can infer that the collision is elastic.

In conclusion, yes, momentum is conserved in the collision, and the collision is elastic. Understanding these principles helps us grasp the behavior of particles in various physical scenarios. If you have further questions or need clarification, feel free to ask! And remember, UrbanPro is an excellent resource for finding quality online coaching and tuition services across various subjects.

 
 
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