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[" 11.A force "vec F=alphahat i+3hat j+6...

[" 11.A force "vec F=alphahat i+3hat j+6hat k" is acting at a poin "],[vec r=2hat i-6hat j-12hat k" .The value of "alpha" for which angule "],[" momentum about origin is conserved is "],[qquad [" (1) "1," [Re-AIPMT-201"],[" (3) "2," (2) "-1]]

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