Seafloor spreading is a process that occurs along 1. At 2 boundary, two plates move away from each other resulting to spreading of seafloor, thereby creating new 3 crust. Near the mid-oceanic ridge 4 rocks are found and far from it are older.

Alarge cruise ship of mass 7.00 ✕ 107 kg has a speed of 11.6 m/s at some instant. (a) what is the ship's kinetic energy at this time? (b) how much work is required to stop it? (give the work done on the ship. include the sign of the value in your answer.) (c) what is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.00 km?