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Center of Mass question

2023 · 30 Jan · Shift 1 · Q56
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Center of Mass question

2023 · 30 Jan · Shift 1 · Q56

JEE MainPhysicsCenter of MassMCQ+4 / −1
A ball of mass 200 g200 \mathrm{~g}200 g rests on a vertical post of height 20 m20 \mathrm{~m}20 m. A bullet of mass 10 g10 \mathrm{~g}10 g, travelling in horizontal direction, hits the centre of the ball. After collision both travels independently. The ball hits the ground at a distance 30 m30 \mathrm{~m}30 m and the bullet at a distance of 120 m120 \mathrm{~m}120 m from the foot of the post. The value of initial velocity of the bullet will be (if g=10 m/s2g=10 \mathrm{~m} / \mathrm{s}^{2}g=10 m/s2) :
  1. A
    120 m/s
  2. B
    360 m/s
  3. C
    400 m/s
  4. D
    60 m/s
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