Q 1985023867.     A calorie is a unit of heat or energy and it
equals about `4.2 J` where `1 J = 1 kgm^2s^(-2)`.
Suppose, we employ a system of units in which
the unit of mass equals a kg, the unit of length
equals `betam` and the unit of time is `gammas`. Show that
a calorie has a magnitude of `4.2 alpha^(-1)`
`beta^(-2)gamma^(2)` in terms of new units.

NCERT Chapter Solution 2/2.3
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