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**Unformatted text preview: **kg . 32 m kg 1172 910 = + which means the barrel sinks. In order to lift it, a tension N 173 ) 80 . 9 )( m 120 . )( 1030 ( ) 80 . 9 )( m 120 . )( 1177 ( 2 3 2 s m 3 m kg s m 3 m kg =-= 3 T is required....

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