Problem: Two wires with equal length are made out of pure copper. The diameter of wire 1 is twice the diameter of wire 2. When the wire 1 is hung with a weight which is half of that hung on wire 2, find the ratio of the stretches ΔL1/ΔL2. 1.1/4 2.1/16 3.1/8 4. 1 5. 2 6. 8 7. 16 8.1/2 9. 4

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Problem Details

Two wires with equal length are made out of pure copper. The diameter of wire 1 is twice the diameter of wire 2. When the wire 1 is hung with a weight which is half of that hung on wire 2, find the ratio of the stretches ΔL1/ΔL2.

1.1/4

2.1/16

3.1/8

4. 1

5. 2

6. 8

7. 16

8.1/2

9. 4

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