A wave of frequency 500hz and wave length 50m is traveling into a medium, dertimine the speed of velocity of the wave. formula V
2 answers:
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Answer:
50s .
Explanation:
Here the power of the microwave is 0.2kW . And as we know that ,
- Rate of doing work is called power .
So from the definition , we have ;
- Here the work done is equal to the energy consumed by the microwave i.e. 10000 J .So we can write it as ,
Cross multiply ,
Simplify ,