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Q: When an object of 11kg is placed at a height of 8m from the ground, then how much energy it will contains?
  • A. 520 J
  • B. 539 J
  • C. 588 J
  • D. 862.4 J
Correct Answer: Option D - Potential energy = m×g×h Here, m =11kg, h = 8m and g = 9.8m/s² = 11×9.8×8 = 862.4 J
D. Potential energy = m×g×h Here, m =11kg, h = 8m and g = 9.8m/s² = 11×9.8×8 = 862.4 J

Explanations:

Potential energy = m×g×h Here, m =11kg, h = 8m and g = 9.8m/s² = 11×9.8×8 = 862.4 J