Question

Q.23. A calorie is a unit of heat energy and it equals about 4.23 suppose we employ a system of unit in
which the unit of mass, length and time equals a kg, B m and y sec respectively, so find the unit
of calorie
​

Answer 1

Answer:

A calorie is a unit of heat or energy and it equals about 4.2 J where 1 J=1 kgm

2

s

−2

.Suppose we employ a system of units in which the units of mass equals α kg, the units of length equals β m, the unit of time is γ s. Show that a calorie has a magnitude 4.2 α

−1

β

−2

γ

2

in terms of the new units.