Question

The mechanical equivalent of heat(J)=_______ 
4.2 J / Cal
4.2 J / Kcal
4200 J / cal
420 J / cal​

Answer 1

Answer:

4.1858 joules

(in any system of physical units) the number of units of work or energy equal to one unit of heat, as 4.1858 joules, which equals one small calorie.

Explanation:

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