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What is the kinetic energy of a rock of mass 220 g after it has fallen freely for 5 ...

What is the kinetic energy of a rock of mass 220 g after it has fallen freely for 5 seconds? g=10m/s2.
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  • A 350J
  • B 225 J
  • C 275 J
  • D 250 J
Correct Answer: Option C
Explanation:

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