A body of mass 5 kg is moving with a momentum of 10 kgms-1. A force of 0. 2 n acts on it in the direction of motion of the body for 10s. The increase in its k. E is?.

Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?