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Answer:
128J
Explanation:
K.E = MV² ÷ 2
K.E = 16 × 4² ÷ 2
K.E = 16 × 16 ÷ 2
K.E = 256 ÷ 2
K.E = 128J
:. it's kinetic energy is 128Joules(J)