sin^-1 (√x-1 ) is defined for all x satisfying now when we solve this we write this first as -1<√x-1< 1 but in next step it is writtes as 0<√x-1 <1 why?
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In the following arrangement the system is initially at rest. The 12 Kg block is now released. Assuming the pulley and string to be massless and smooth The tension in the string connected with the 12 kg block is 12K newton. Find the value of K. (Take g = 10 m/s2) GO 12kg from f 2m
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