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Center of Mass question

2024 · 30 Jan · Shift 1 · Q78
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Center of Mass question

2024 · 30 Jan · Shift 1 · Q78

JEE MainPhysicsCenter of MassMCQ+4 / −1
A spherical body of mass 100 g100 \mathrm{~g}100 g is dropped from a height of 10 m10 \mathrm{~m}10 m from the ground. After hitting the ground, the body rebounds to a height of 5 m5 \mathrm{~m}5 m. The impulse of force imparted by the ground to the body is given by : (given, g=9.8 m/s2\mathrm{g}=9.8 \mathrm{~m} / \mathrm{s}^2g=9.8 m/s2)
  1. A
    43.2 kg ms−143.2 \mathrm{~kg} \mathrm{~ms}^{-1}43.2 kg ms−1
  2. B
    2.39 kg ms−12.39 \mathrm{~kg} \mathrm{~ms}^{-1}2.39 kg ms−1
  3. C
    4.32 kg ms−14.32 \mathrm{~kg} \mathrm{~ms}^{-1}4.32 kg ms−1
  4. D
    23.9 kg ms−123.9 \mathrm{~kg} \mathrm{~ms}^{-1}23.9 kg ms−1
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