ms-2 SI Unit of acceleration feet-2 etc
D. Meters per second squared
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Unit rate
In a unit fraction, the numerator is always the number 1. 9/10 cannot be written as a unit fraction.
28/2
Acceleration = change in speed per unit of time = (15-0)/10 = 1.5 metres/sec2
Arithmetic population density is the population of a country or region expressed as an average per unit area. The figure is derived by dividing population of the areal unit by the number of square kilometers or miles that make up the unit.