Define metre, kilogram and second in S.I.

Define the term weight and state its S.I. unit.

Define the term energy and state its S.I. unit

Define moment of force and state its S.I unit.

Define linear momentum and state its S.I. unit.

Define linear momentum and state its S.I. unit.

Define the term kilowatt-hour and state its value in S.I. unit.

Define second.

Define thermal conductivity. Give its S.I. unit and dimensional formula.

The displacement of a particle moving in a straight line is described by the relation s=6+12t-2t^(2) . Here s is in metre and t in second. The distance covered by the particle in first 5s is

The displacement of a particle moving in a straight line is described by the relation s=6+12t-2t^(2) . Here s is in metre and t in second. The distance covered by the particle in first 5s is