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an iron rod of length 2m and cross sectional area of 50 mm2 is streached 0.2 mm when a mass of 250 Kg is hung from its lower and Young's modulus of iron..???
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Answers
Answered by
31
19.6 × 1010 (N / m2)
L = 2 m
A = 50 mm² = 50 × 10–6 m²
ℓ = 0.5 mm = 0.5 × 10–3 m
m = 250 kg
Y = [(stress) / (strain)]
= {(5 × 10^7) / (2.5 × 10^–4)}
= 2 × 1011
Y = 20 × 1010 N/m²
Y ≈ 19.6 × 1010 N/m²
roshan030:
Thanks
Answered by
3
Explanation:
19.6 × 1010 (N / m2)
L = 2 m
A = 50 mm² = 50 × 10–6 m²
ℓ = 0.5 mm = 0.5 × 10–3 m
m = 250 kg
Y = [(stress) / (strain)]
= {(5 × 10^7) / (2.5 × 10^–4)}
= 2 × 1011
Y = 20 × 1010 N/m²
Y ≈ 19.6 × 1010 N/m²
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