1.

A particle of mass 1kg is moving with a velocity of 20ms-1 then its kinetic energy is ____

A. 200 J
B. 200 kgm<sup>2</sup>s<sup>-1</sup>
C. 200 kgm<sup>-1</sup>s<sup>-2</sup>
D. 200 kgm<sup>-1</sup>s<sup>-1</sup>
Answer» B. 200 kgm<sup>2</sup>s<sup>-1</sup>


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