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What is the coefficient of restitution (e)?
- a)Ratio of final to initial relative velocities
- b)Ratio of initial to final relative velocities
- c)Ratio of final to initial velocity of a body
- d)Product of initial to final relative velocities
Correct answer is option 'A'. Can you explain this answer?
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What is the coefficient of restitution (e)?a)Ratio of final to initial...
The coefficient of restitution (e) is a fundamental concept in physics that describes the ratio of the final to initial relative velocities of two objects after a collision. It is a dimensionless quantity that ranges from 0 to 1, where 1 represents a perfectly elastic collision and 0 represents a perfectly inelastic collision.
- Definition:
The coefficient of restitution (e) is defined as the ratio of the final relative velocity of separation to the initial relative velocity of approach between two objects.
- Formula:
The formula to calculate the coefficient of restitution is:
e = (Relative velocity of separation) / (Relative velocity of approach)
- Explanation:
When two objects collide, their relative velocities change due to the interaction forces between them. The coefficient of restitution quantifies how much kinetic energy is conserved during the collision. A higher value of e indicates a more elastic collision where kinetic energy is conserved, while a lower value indicates a more inelastic collision where kinetic energy is lost.
- Significance:
The coefficient of restitution is important in analyzing the dynamics of collisions in various fields such as sports, engineering, and physics. It helps in predicting the outcomes of collisions and designing systems with desired energy transfer properties.
In conclusion, the coefficient of restitution is a crucial parameter that describes the nature of collisions between objects. By understanding and calculating e, scientists and engineers can optimize designs and predict the behavior of systems involving collisions.
- Definition:
The coefficient of restitution (e) is defined as the ratio of the final relative velocity of separation to the initial relative velocity of approach between two objects.
- Formula:
The formula to calculate the coefficient of restitution is:
e = (Relative velocity of separation) / (Relative velocity of approach)
- Explanation:
When two objects collide, their relative velocities change due to the interaction forces between them. The coefficient of restitution quantifies how much kinetic energy is conserved during the collision. A higher value of e indicates a more elastic collision where kinetic energy is conserved, while a lower value indicates a more inelastic collision where kinetic energy is lost.
- Significance:
The coefficient of restitution is important in analyzing the dynamics of collisions in various fields such as sports, engineering, and physics. It helps in predicting the outcomes of collisions and designing systems with desired energy transfer properties.
In conclusion, the coefficient of restitution is a crucial parameter that describes the nature of collisions between objects. By understanding and calculating e, scientists and engineers can optimize designs and predict the behavior of systems involving collisions.
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What is the coefficient of restitution (e)?a)Ratio of final to initial...
The coefficient of restitution (e) is the ratio of the final to initial relative velocities in a collision system. If the value of e = 1, then the collision is perfectly elastic. If it is equal to 0, then the collision is perfectly inelastic.
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What is the coefficient of restitution (e)?a)Ratio of final to initial relative velocitiesb)Ratio of initial to final relative velocitiesc)Ratio of final to initial velocity of a bodyd)Product of initial to final relative velocitiesCorrect answer is option 'A'. Can you explain this answer?
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