I was wondering if anybody could help me. I need to calculate the impact force exerted on an rov if it collides with a oil well tree. The imformation I have are the mass of the rov = 500 kg, initial velocity othe rov is 1.5 m/s and the oil well tree is a fixed body. Im unsure how to calculate the final velocity of the rov ( do I assume this to be 0?) and on how to calculate the duration of the impact.