Find the kinetic energy of a 4 kg object moving at 4 m/s.
Answer and explanation
Correct answer: B. 32 J
- Step 1: .
- Step 2: J.
Answer
32 J.
Why not the others: 64 J: the factor is missing. 8 J: the speed is not squared. 16 J: that is the momentum in kg m/s, not the energy.
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