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The primary formula used to calculate the displacement of a ship is based on its physical dimensions and block coefficient. The block coefficient is a dimensionless number that describes how closely the shape of a ship resembles a rectangular block. Displacement = Length × Breadth × Draft × Block Coefficient. Where:
Given a boat velocity of 4 m/s, East and a river velocity of 3 m/s, North, the resultant velocity of the boat will be 5 m/s at 36.9 degrees. Motorboat problems such as these are typically accompanied by three separate questions: What is the resultant velocity (both magnitude and direction) of the boat?
Define distance and displacement, and distinguish between the two; Solve problems involving distance and displacement
The displacement or displacement tonnage of a ship is its weight. As the term indicates, it is measured indirectly, using Archimedes' principle, by first calculating the volume of water displaced by the ship, then converting that value into weight.
The Relative Velocity and River Boat Problems Video Tutorial discusses the concept of relative velocity. The concept is applied to explain the analysis of the motion of planes moving amidst winds and the motion of boats heading up, down, and across a river in the presence of a current.
Explain each of these resistive terms. Draw and explain the flow of water around a moving ship showing the laminar flow region, turbulent flow region, and separated flow region. Draw the transverse and longitudinal wave patterns when a displacement ship moves through the water.
Define position, displacement, and distance traveled. Calculate the total displacement given the position as a function of time. Determine the total distance traveled. Calculate the average velocity given the displacement and elapsed time.
