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प्रश्न
In a perfectly elastic collision, which physical quantities are conserved?
पर्याय
Both momentum and kinetic energy
Only momentum
Only kinetic enery
Neither momentum nor kinetic energy
MCQ
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उत्तर
Both momentum and kinetic energy
Explanation:
The defining characteristic of a perfectly elastic collision is that no kinetic energy is lost, and momentum is conserved as it is in all collisions.
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