In 2009, usain bolt of jamaica set a world record of 9.58s in the 100m dash. what was his average speed?

His average speed is 10.43 m/s.

Explanation:

Given that,

Distance covered by Usain bolt, d = 100 m

Time taken, t = 9.58 s

We need to find his average speed. It can be calculated using the formula of average speed as :

v = 10.43 m/s

So, his average speed is 10.43 m/s. Hence, this is the required solution.

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force required to detach it is given by

charges are taken to be fundamental charge

now we have

so above is the minimum distance at which it will detach