Kinetic energy
In physics, kinetic energy is energy possessed by a body by virtue of its motion. If the body with mass m is moving in a straight line with velocity v, its translational kinetic energy amounts to
- <math> E_k = \frac{1}{2} m v^2 </math>.
If a body is rotating, its rotational kinetic energy equals Iω2/2, where I is its moment of inertia and ω its angular velocity.
See also:
The only sailing ship which ever exceeded this day's work
ran 436 knots in the Atlantic passage already referred to. The
the Western Ocean, for between New York and Liverpool she
era is almost generally ignored by the foremost English writers
own ships were not directly concerned, and partizan bias is apt
involved. American historians themselves have dispensed with many
to the speed of clipper ships, however, involving a rivalry far
the America's cup, the evidence is available in concrete form.
Lindsay's "History of Merchant Shipping" is the most.
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