" Newton/metre "^(2)" is the unit of :- "

Volt/metre is the unit of

Newton Kg^-1 is the unit of

Metre is the SI unit of

Newton-second is the unit of

An indian ruber cord L meter long and area of cross-secion A metre is suspended vertically. Density of rubber is rho kg/ "metre"^(3) and Young's modulus of rubber is Y newton/ "metre"^(2) . IF the cord extends by l metre under its own. Weight, then extension l is

Newton - second is the unit of