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Work Power and Energy question

2007 · Shift 0 · Q83
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Work Power and Energy question

2007 · Shift 0 · Q83

JEE MainPhysicsWork Power and EnergyMCQ+4 / −1
A 2kg2kg2kg block slides on a horizontal floor with a speed of 4m/s.4m/s.4m/s. It strikes a uncompressed spring, and compress it till the block is motionless. The kinetic friction force is 15N15N15N and spring constant is 10,000N/m.10, 000N/m.10,000N/m. The spring compresses by
  1. A
    8.5cm8.5cm8.5cm
  2. B
    5.5cm5.5cm5.5cm
  3. C
    2.5cm2.5cm2.5cm
  4. D
    11.0cm11.0cm11.0cm
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