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a bullet hits a stationary fan with a force of 35N at one side and leaves it from another side with 10N. If the lenght of one of 4 blades is 6m and its(one blade) weight is 0.5N , then find the no. of revolutions that of that fan?

 


a bullet hits a stationary fan with a force of 35N at  one side and leaves it from another side with 10N. If the lenght of one of 4 blades is 6m and its(one blade) weight is 0.5N , then find the no. of revolutions that of that fan?


  


 


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Grade:9

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