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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:
In this explainer, we will learn how to use displacement–time graphs and interpret the slope of the curve as the velocity of the body.
HULL FORM AND GEOMETRY. Be familiar with ship classifications. Explain the difference between aerostatic, hydrostatic, and hydrodynamic support. Be familiar with the following types of marine vehicles: displacement ships, catamarans, planing vessels, hydrofoil, hovercraft, SWATH, and submarines.
Draw the transverse and longitudinal wave patterns when a displacement ship moves through the water. Define Reynolds number with a mathematical formula and explain each parameter in the Reynolds equation with units. Be qualitatively familiar with the following sources of ship resistance:
Distance and displacement is a change in position. Distance is the actual path length that an object moves away from its original position. Distance is a scalar. We use the symbol d for distance. Displacement is the straight-line path between the starting point and the endpoint of a journey i.e. the distance moved in a particular direction.
Finding distance and displacement from graphs. A baby elephant trots in a straight line along a river. The horizontal position of the elephant in meters over time is shown below.
Let's learn how to calculate displacements from v-t graphs. We will see why the area under the v-t graph gives displacement. Created by Mahesh Shenoy.
