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In a situation it is observed that the coefficient of restitution of a collision is greater than 1. This condition implies to the possibility that
- a)the collision is purely elastic
- b)the collision is plastic
- c)some energy is lost during collision
- d)some energy is gained during collision
Correct answer is option 'D'. Can you explain this answer?
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Most Upvoted Answer
In a situation it is observed that the coefficient of restitution of a...
Explanation:
Coefficient of Restitution:
The coefficient of restitution (e) is a value that represents the ratio of the final relative velocity between two objects after a collision to their initial relative velocity. It is a measure of how much kinetic energy is conserved or lost during a collision.
Coefficient of Restitution > 1:
When the coefficient of restitution is greater than 1, it implies that the final relative velocity after the collision is greater than the initial relative velocity. This means that some energy is gained during the collision.
Implications:
- If the coefficient of restitution is greater than 1, the collision is said to be superelastic.
- In a superelastic collision, the objects bounce off each other with greater kinetic energy than they had before the collision.
- This implies that some external force or energy source must have been involved in the collision to increase the kinetic energy of the objects.
Conclusion:
Therefore, in a situation where the coefficient of restitution of a collision is greater than 1, it implies that some energy is gained during the collision. This contradicts the usual assumption that energy is always conserved in collisions, indicating the presence of an external factor influencing the collision dynamics.
Coefficient of Restitution:
The coefficient of restitution (e) is a value that represents the ratio of the final relative velocity between two objects after a collision to their initial relative velocity. It is a measure of how much kinetic energy is conserved or lost during a collision.
Coefficient of Restitution > 1:
When the coefficient of restitution is greater than 1, it implies that the final relative velocity after the collision is greater than the initial relative velocity. This means that some energy is gained during the collision.
Implications:
- If the coefficient of restitution is greater than 1, the collision is said to be superelastic.
- In a superelastic collision, the objects bounce off each other with greater kinetic energy than they had before the collision.
- This implies that some external force or energy source must have been involved in the collision to increase the kinetic energy of the objects.
Conclusion:
Therefore, in a situation where the coefficient of restitution of a collision is greater than 1, it implies that some energy is gained during the collision. This contradicts the usual assumption that energy is always conserved in collisions, indicating the presence of an external factor influencing the collision dynamics.
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Community Answer
In a situation it is observed that the coefficient of restitution of a...
The coefficient of restitution is almost every time less than 1. It is the ratio of the relative velocity after collision to that before collision. As some part of the energy is dissipated during the collision, the relative velocity after collision decreases, giving e < 1.
For e > 1, it is possible that there is some amount of energy produced via chemical reaction or explosion during the collision.
Therefore, it is the correct option.
For e > 1, it is possible that there is some amount of energy produced via chemical reaction or explosion during the collision.
Therefore, it is the correct option.
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In a situation it is observed that the coefficient of restitution of a collision is greater than 1. This condition implies to the possibility thata)the collision is purely elasticb)the collision is plasticc)some energy is lost during collisiond)some energy is gained during collisionCorrect answer is option 'D'. Can you explain this answer?
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