Units
Units of 'E' are kg m^2 s^-2
or
kg(m/s)^2
or
kg m^2 / s^2
or
kg m ( m/s^2)
In words it is a mass(kg) multiplied to distance (m) multiplied to acceleration (ms^-2).
When Basic S.I. units are arranged in this manner they are referred to a Joules.