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प्रश्न
A very light body (m1) collides elastically with a very heavy body (m2) that is initially at rest. What is the approximate final velocity of the light body (v1)?
पर्याय
v1 ≈ u1
v1 ≈ -u1
v1 ≈ 2u1
v1 ≈ 0
MCQ
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उत्तर
v1 ≈ -u1
Explanation:
The light body essentially 'bounce back' with its speed unchanged, as shown in the 'Heavier Target' case study.
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