A person uses 870 kcal on a long walk. What is the energy used for the walk in joules?
1 Answer
Feb 18, 2016
870kcal=870x4.2x1000J
Explanation:
1cal=4.2J and hence 1kcal=4.2x1000J
870kcal=870x4.2x1000J
1cal=4.2J and hence 1kcal=4.2x1000J