A uniform rope of length .L. and linear density .mu. is on a smooth horizontal table with a lentht .l. lying on the table. The work done in pulling the hanging part on to the table is

A uniform rope of length .L. and linear density .mu. is on a smooth ho

1.	A uniform rope of length .L. and linear density .mu. is on a smooth horizontal table with a lentht .l. lying on the table. The work done in pulling the hanging part on to the table is
Answer» `(MUG(L-l)^(2))/(2)` `(mug(L-l)^(2))/(2L^(2))` `(MUL(L-l)^(2))/(2L^(2))` `(mugl)/(2(L-l))` ANSWER :A