(A) 0.01J (
)
(B) 0.02J (X)
(C) 0.04J (X)
(D) 1.0J (X)
Answers: A wire suspended vertically from one end is stretched by attaching a weight of 20N to the lower end. the weight stretches the wire by 1mm. how much energy is gained by the wire 0.01J.
