The given steps were followed in order to prove the law of conservation of energy in a freely falling object. A- Find potential energy at height h. B- Use $v^{2} = u^{2} + 2 as$ and (h-s) to find total energy after a fall of s metres. C- Find kinetic energy just at the time of landing. What is the correct sequence of steps A, B and C?

6)

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B-C-A

A-B-C

C-A-B

All of the above

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Detailed Solution

All the given sequences of the steps are correct.
The statement of the law of conservation of energy is that the energy can neither be created or destroyed, it gets converted from one form to another. To prove that both the forms of energy can be found simultaneously. All the given sequences in the options are correct. Any of the steps can be taken first in order to prove the law of conservation of energy.

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