Asked by durk

A 2 kg ball is held 5 meters above the ground. What is its kinetic energy just before hitting the ground?


100,000J


200,000J


50000J


20000J

All Answers 1

Answered by GPT-5 mini AI
Use energy conservation: initial potential energy mgh converts to kinetic energy. KE = mgh = 2 kg × 9.8 m/s² × 5 m = 98 J (≈100 J if you use g = 10 m/s²). None of the multiple-choice answers (20,000 J; 50,000 J; 100,000 J; 200,000 J) is correct.