Question

A good source of energy would be one which does a small amount of work per unit volume of mass.

Answer 1

Answer:

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Answer 2

A good source of Energy would be one which does large amount of work per unit volume or mass.

Explanation:

Energy is the capacity of a physical system to perform work. Energy exists in several forms such as heat , kinetic or mechanical energy, light, potential energy. Energy is the ability to do work

A good Source of Energy has following characteristics :

1. it would be easily accessible .
2. it would be Economical.
3. it could do a large amount of work per unit volume or mass
4. It would be easy to store .
5. It should be sustainable and renewable  source of energy.