Question

Calorific value of coal is 20000 joule per kg. how much coal is required to produce energy equal to t 5000 joule. Give your answer in gram.​

Answer 1

Answer:

250gms

Explanation:

since calorific value of coal is 20000

and required energy is 5000

so required coal = 5000/20000kg

=1/4kg

= 250gms

Answer 2

Explanation:

value of coal is 20000

energy required is 5000

required coal 5000/20000 kg

1/4 kg

250 gm

hope this answer will help u