1. A potential difference of 12.0 V is applied across a wire of cross-sectional area 4.50 〖〗^2and length 1000. km. The current passing through the wire is 〖3.2×10〗^(−3)A.

Ahockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player traveling east at 3.4 meters per second if the two players locked together momentarily in what direction will they be going immediately after the collision how fast will they be moving