Distance/Time
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Average velocity in a direction is calculated as the displacement in that direction divided by the total time taken. As the time interval is reduced, the displacement over that period also reduces and the limiting value of that ratio is the instantaneous velocity.
Velocity = Radius x RPM For example if a body of 32 Inches in diameter rotating at 3600 rpm, the velocity is calculated by Velocity = 32/2 * 3600 Velocity = 57,200 inches per minute Velocity = 57,200 Inches/min * 60 Min/Hr * 1ft/12in * 1 mi/5280 ft Velocity = 54.5 miles per hr
If I understand the question correctly.......... Average speed can be calculated by dividing displacement by time (scalar) but once you refer to direction and "velocity" you are into a different paradigm (vector) and it is not as simple as dividing displacement by time
The radial velocity ie velocity towards or away from your starting point. It is NOT the ordinary speed or velocity because you can run in a circle around your starting point at top speed but the distance will not change so the slope of the distance time graph will be zero.
Fo is calculated considering product pH, z- value and product residence time calculated considering safety factor of 0.8 to 0.5 to get average velocity. D. A. Nirhali IIT, Kharagpur