Bonjour pouvez vous m'aider svp ?​

Alarge cruise ship of mass 6.40 ✕ 107 kg has a speed of 11.6 m/s at some instant. (a) what is the ship's kinetic energy at this time? j (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.) j (c) what is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.20 km? n