thujitgyeltshen
thujitgyeltshen thujitgyeltshen
  • 17-10-2022
  • Physics
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A coin is dropped from a height of 80 m. How fast will it fall, just before it hits the ground? [Take g = 10 m/s2 , Hint: For a falling body, the total PE at the greatest height will be equal to the K.E., just before it touches the ground]​

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