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Verified Answer :

JcAlmighty

The answer is 2498.4km/h

The speed is \(694m/s = \frac{694m}{1s}\)

1 m = 0.001 km          ⇒        694 m = 694 0.001 km = 0.694 km
1 h = 60 min = 60 60 s = 3600 s 

Therefore:
\(\frac{694m}{1s}= \frac{3600*0.694km}{3600s} = \frac{2498.4km}{1h} =2498.4km/h\)

Answer: the correct answer would be 2498.4 km/h

i got this question correct

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