33.3\(ms^{-1}\)
66.6\(ms^{-1}\)
99.9\(ms^{-1}\)
120.0\(ms^{-1}\)
Correct answer is A
\(120 kmh^{-1} = \frac{120 \times 1000}{3600} = \frac{100}{3} = 33.3ms^{-1}\)
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