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rajan jha Grade: 12
        

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6 years ago

Answers : (3)

vikas askiitian expert
510 Points
										

at M , 


 Mg - T = Ma       ........1


at m


 T - mg = ma            ........2


from 1& 2


T = Mmg/(m+M)            (tension in each string)


tension in the sting which is suspended in theceiling(T1) = 2T = 2Mmg/(M+m)


  = 2mMg/(m+M) 


 =2mg/(1+m/M)  


now m/M <<<<1 so 1+m/M = 1


now T1 becomes T1 = 2mg


option b) is correct

6 years ago
vikas askiitian expert
510 Points
										

T = 2mg


option b) is correct

6 years ago
vikas askiitian expert
510 Points
										

dear rajat many of your queries have been solved , now check your posted questions & give responce  then i will post solutions of remaining questions....

6 years ago
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