A rubber cord of length L is suspended vertically. Density of rubber is ρ and Young's modulus is Y. If the cord extends by a length ΔL under its own weight, then ΔL is,
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A rubber cord of length L is suspended vertically. Density of rubber is ρ and Young's modulus is Y. If the cord extends by a length ΔL under its own weight, then ΔL is,