Question

The 10-second barrier was the time to beat for world-class sprinters in the 100-meter race . The first athlete to do so was Jim Hines in 1968. It has been done many times since but no one has yet gone below 9 seconds . What is the Speed in km/hr of someone who can run 100 metres in 10 seconds? Show your workings
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Answer 1

Answer:

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