Question

if Q calorie heat is produced by spending work done(w) then mechanical equivalent of heat ______​

Answer 1

Answer: J = 4.18 JCal -1

Explanation:

According to Joule's law, mechanical equivalent of heat J=

Q

W

​

Mathematically J=4.18 Jcal

−1

if work done and heat produced is measured in joules and calories respectively.

Answer 2

Answer:

The answer is

J=4.18 jcal-1