the Dark knight has a problem in WPE

VITEEE 2015 Guidance › Mechanics questions › the Dark knight has a problem in WPE

The flexible bicycle type chain of length Ï€r2 and mass per unit length Ï is released from rest with Î¸=0Â° in the smooth circular channel and falls through the hole in the supporting surface. Determine the velocity v of the chain as the last link leaves the slot.

( Ans. : âˆš{gr(Ï€2 + 4Ï€)} )

#Physics #Mechanics

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2 Answers

24

eureka123 ·2009-10-17 00:43:50

Simple energy conservation......

remeber..COM of section of wire=RSinÎ¸Î¸ where Î¸=half angle subtendedat vertex in radians

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xYz ·2009-10-17 01:30:50

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Your Answer

Basic Integral Calculus Operators Symbols Matrix Cases

√ √ || {} [] () → ~ ^ x x x → → ln log lg lim lim cos sin tan cot arcsin arccos arctan

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∑ ∑ ∑ ∑ ∑ ∮ ∮ ∮ ∮ ∮ ∏ ∏ ∏ ∏ ∏ ∐ ∐ ∐ ∐ ∐

+ - × ÷ ± ∓ = ∪ ∩ ≠ ∼ ≈ ∅ ∀ ∃ ∈ ∋ ∝ ≤ ≥ ≃ ≅ ≡ < > ≪ ≫ ⊂ ∉ ⊃ ⊆ ⊇ ⇒ ⇐ ⇔ ⇒ ⇐ ⇔ ⇑ ⇓ ⇕ → ← ↔ → ← ↔ ↑ ↓ ↕ ↖ ↗ ↘ ↙ ↪ ↩ ⇀ ↼ ⇁ ↽

° ∂ ∞ α β γ δ θ λ μ ν ξ π ρ σ φ ω ε ƒ κ τ υ Γ Δ Λ Σ Π Ω