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
Must Be a Reason Why Must Be a Reason Why "Must Be A Reason Why" is a song by American MC J. Pearl, released as a single in the United Kingdom on August 2, 2011 and in other European countries on October 3, 2011. The single features vocals from British singer Shayne Ward. "Must Be A Reason Why" was produced by Lucas Secon, and was written by Secon, Chris Brann and Mintman. The song samples Wamdue Project's 1997 dance track, "King of My Castle". The track was originally recorded with Ward as the main artist, and J. Pearl being credited as the featured vocalist, and