Calculate the kinetic energy of a 2 kg object moving at 10 m/s.
A20 J
B400 J
C100 J
D200 J
Answer & Solution
Correct answer: C. 100 J
KE = ½ × m × v² = ½ × 2 × 10² = ½ × 2 × 100 = 100 J.
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