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NEET 2019, Physics Q9: Work Energy Theorem And Its Applications

NEET2019Paper 2019Physics
Q.

A disc of radius 2 m and mass 100 kg rolls on a horizontal floor. Its centre of mass has speed of 20 cm/s. How much work is needed to stop it? 

  1. A

    3 J

  2. B

    30 kJ

  3. C

    2 J

  4. D

    1 J

Solution

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