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Bablu
Questions (2)
the sum of the digits of a 2 -digits number is 9.The new number obtained by interchanging the digits exceeds the given number by
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Let A and B be the two vectors of magnitude 10 unit . If they are inclined to X-axis at angle 30 degree and 60 degree
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When liquid flow throw a narrow tue, there an oppositional force applied between two layer of liquid . The 1st layer try to pull back . This property of liquid is said to be viscocity .
F= mg =120*9.8 =1176 now work done W= F*D =1176*5 =5880 J hence correct option is (b)
