A boy stands 612 m from a starter who fires a gun…
Contributed by StemPy LabTry it on paper first. A hint, the key idea and the worked solution are here when you need them.
A boy stands from a starter who fires a gun. After how long does the boy hear the bang? (Speed of sound )
Need a reminder? The key ideaShow
Speed . Sound travels at about in air, in water and in steel. In air, with in .
The worked solution
Have you tried it?
Work it out on paper first. It is fine to get stuck or make a mistake: that is how we learn. When you are ready, compare your working with the solution.
Step 1. .
Answer: . (The smoke from the gun is seen almost at once.)
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