Final answer:
It will take the ship 8 seconds to travel 800 meters when it is moving at a constant velocity of 100 m/s.
Step-by-step explanation:
To calculate how long it will take a ship traveling at a constant velocity of 100 m/s to travel 800 meters, we can use the basic formula of time, which is time = distance / velocity. Since we have the distance (800 meters) and the constant velocity (100 meters per second), we simply divide the distance by the velocity.
Time = 800 m / 100 m/s = 8 seconds.
So, it will take the ship 8 seconds to travel 800 meters.