What is the kinetic energy of a 1 kg object moving at 5 m/s?
- A. 12.5 ✓
- B. 25
- C. 13.5
- D. 7.5
Correct answer
A. 12.5
Explanation
Kinetic energy = (1/2)mv² = (1/2)(1)(5²) = (1/2)(1)(25) = 12.5 Joules.
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