Velocity (metric system) as metres per second (m/s) or as the SI base unit of (m⋅s). For example, "5 metres per second" is a scalar, whereas "5 metres per second east" is a vector. If there is a change in speed, direction or both, then the object has a changing velocity and is said to be undergoing an "acceleration". To have a constant velocity, an object must have a constant speed in a constant direction. Constant direction constrains the object to motion in a straight path thus, a constant velocity means motion in a straight line at a constant speed. For
The Ocean Must Be Free The Ocean Must Be Free "The Ocean Must Be Free" is a World War I era song co-written by Dave Kohn & Lew Flint in 1917. The song was published with the caption "Dedicated to the United States Army and Navy to encourage enlistment," on the cover. The first line of the chorus is: "Boys, put on your uniforms." "The Ocean Must Be Free" was reviewed by several news and music publications at the time of its release. "Billboard" said "The Ocean Must be Free is an exceptionally good title for a song at the present time and the words