Question

Two boys start for a race and decide to
to find out who runs faster. Both of them
start their stopwatches to measure time
stopwatches to measure time and race together. What role does stopwatch play in measuring speed?
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Answer 1

Answer:

Watch has a prevalent role in the race..

Explanation:

Whoever first cross the end point..will win.

But if they both cross the ends. at same time the stop watch helps to find who will win by denoting the time...

Hope it will help u..