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What does e = 1 mean in a collision?

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Question

What does e = 1 mean in a collision?

Options

  • A perfectly inelastic collision

  • A perfectly elastic collision

  • A partially elastic collision

  • An explosion

MCQ
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Solution

A perfectly elastic collision

Explanation:

When e = 1, the relative speed of separation equals the relative speed of approach, which is a key property of a perfectly elastic collision.

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