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Work Power and Energy question

2024 · 6 Apr · Shift 1 · Q61
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Work Power and Energy question

2024 · 6 Apr · Shift 1 · Q61

JEE MainPhysicsWork Power and EnergyMCQ+4 / −1
A bullet of mass 50 g50 \mathrm{~g}50 g is fired with a speed 100 m/s100 \mathrm{~m} / \mathrm{s}100 m/s on a plywood and emerges with 40 m/s40 \mathrm{~m} / \mathrm{s}40 m/s. The percentage loss of kinetic energy is :
  1. A
    44%44 \%44%
  2. B
    16%16 \%16%
  3. C
    84%84 \%84%
  4. D
    32%32 \%32%
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