A wire suspended vertically from one of its ends is stretched by attaching a weight of 100N to its lower end. What is the elastic potential energy stored in the wire, if the weight stretches the wire by 1.5 mm?
A. 5 × 10-² J
B. 10-³ J
C. 2.5 × 10-³ J
D. 7.5 × 10-²J
Answer:D
A wire suspended vertically from one of its ends is stretched by attaching a weight of 100N to its lower end. What is the elastic potential energy stored in the wire, if the weight stretches the wire by 1.5 mm?
A. 5 × 10-² J B. 10-³ J C. 2.5 × 10-³ J D. 7.5 × 10-²J