Mechanical equivalent of heat for 1 kcal or Joule’s equivalent is equal to_________________?
(A) 421 kgm
(B) 421 kgm
(C) 539 kgm
(D) 102 kgm
(E) 75 kgm
Mechanical equivalent of heat for 1 kcal or Joule’s equivalent is equal to_________________?
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