Which expression correctly describes energy using Sl units? O A. 1 J = 1 kg. m2/s2

OB. 1 J = 1 kg. m/s

O C. 1 J = 1 kg•m2/s

O D. 1 J = 1 kg-m/s2

SUB

A. 1 J = 1 kg.m²/s²

Explanation:

Energy is defined as the ability to do work. The most basic equation or formula to find the magnitude of energy is given in terms of work. That formula is written as follows:

Energy = Work

Energy = Force * Displacement

Replacing these variables, with their S.I units:

Joule = Newton*m

where,

Force (Newton) = mass (kg) * acceleration (m/s²)

Newton = kg.m/s²

Therefore,

Joule = (kg.m/s²)(m)

A. 1 J = 1 kg.m²/s²

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