WebIf the work done is stretching a wire by 1 mm is 2 J, the work necessary for stretching another wire of same material but double the radius of cross-section and half the length . …

If work done in stretching a wire by 1mm is 2j, the work necessary …

Web31 dec. 2024 · A wire of cross-sectional area A is stretched horizontally between two clamps loaded at a distance 2 l metres from each other. A weight w kg is suspended from the … Web25 jun. 2024 · If the work done in strectching a wire by 1mm 1 m m is 2J 2 J, then work necessary for stretching another wire of same material but with double radius of cross -section and half of the length by 1mm 1 m m is A. 1/ 4 1 / 4 B. 4 4 C. 8 8 D. 16 16 class-11 elasticity-and-viscocity Please log in or register to answer this question. 1 Answer 0 votes dottor kogoj

If the work done in stretching a wire by 1 mm is 2 J, the work ...

Web29 nov. 2024 · (a) A wire 4 m ling and 0.3 mm in diameter is stretched by a force of 100 N. If extension in the wire is 0.3 mm, calculate the potential energy stored in the wire. (b) Find the work done in stretching a wire of cross-section 1 mm2 and length 2 m through 0.1 mm Young's modulus for the material of wire is 2.0 x 1011 N/m2. elasticity jee jee mains Web19 apr. 2024 · Correct option: (B) 2 × 10–2 J Explanation: given : L = 0.5 m A = 1 mm2 = 10–6 m2 ℓ = 1 mm = 10–3 m Y = 2 × 1010 N/m2 [ (workdone) / (volume)] = (1/2) × stress × strain = (1/2) ∙ Y ∙ (strain)2 (1) Now strain = (ℓ/L) = (10–3 / 0.5) = (10–2 / 5) Volume = A ∙ L = 10–6 × 0.5 = 5 × 10–7 m3 ∴ from (1) Workdone = (1/2) × 2 × 1010 × (10–2 / 5)2 × 5 × 10–7 Web18 feb. 2024 · Find the work done in stretching a wire of length 2 m and of sectional area 1 mm² through 1 mm if Young’s modulus of the material of the wire is 2 × 10 11 N/m². … racket\u0027s mc