Answer:
Nails rusting over time as they are exposed to oxygen
Explanation:
New substance with new property is formed
It have also changed the chemical property of the substance
It is difficult to reverse the change etc...
It’s 49% of its original gig hope this helps!
Efficiency = useful energy out / total energy in x 100
= 100/400 x 100
=0.25 x 100
= 25%
25%
As the length increases, resistance increases, as a result current decreases.
By raising a position of an object, Its potential energy increases.
