search
arrow-left Previous
Next arrow-right
Q: When an object of 12kg is at a height of 5m from the ground, then the energy contained in it will be ? (g=9.8ms-²)
  • A. 539J
  • B. 520J
  • C. 528J
  • D. 588J
Correct Answer: Option D - According to question, mass (m) = 12 kg height (h) = 5 m acceleration due to gravity (g) = 9.8 m/s² Energy stored in the object is potential energy = mgh = 12×5×9.8 = 588 J
D. According to question, mass (m) = 12 kg height (h) = 5 m acceleration due to gravity (g) = 9.8 m/s² Energy stored in the object is potential energy = mgh = 12×5×9.8 = 588 J

Explanations:

According to question, mass (m) = 12 kg height (h) = 5 m acceleration due to gravity (g) = 9.8 m/s² Energy stored in the object is potential energy = mgh = 12×5×9.8 = 588 J