Dimensionless numbers
... Physical quantities have dimensions { i.e. units { associated with them. Distance can be measured in metres millimetres miles light-years but always has dimensions of Length For an equation describing a physical situation to be true, the two sides must be equal both numerically and dimension ...
... Physical quantities have dimensions { i.e. units { associated with them. Distance can be measured in metres millimetres miles light-years but always has dimensions of Length For an equation describing a physical situation to be true, the two sides must be equal both numerically and dimension ...
PPT
... greater than or equal to 1 and less than 10. • The number of places the decimal point moves gives the exponent on 10; the exponent is positive if the given number is greater than 10 and negative if the given number is between 0 and 1. ...
... greater than or equal to 1 and less than 10. • The number of places the decimal point moves gives the exponent on 10; the exponent is positive if the given number is greater than 10 and negative if the given number is between 0 and 1. ...
