velocity

BITSAT Guidance › Mechanics questions › velocity

A ring of radius R rolls on horz. ground with linear speed v and angular speed omega.For what value of theta the velociy of pt. P is in vertical direction (v<omega(R))

#Physics #Mechanics

UP 0 DOWN 0 0 5
Post on FacebookPost anonymously?

5 Answers

? ·2008-12-23 10:05:45

as from the figure.. guess its pi/2

UP 0 DOWN 0
Post on FacebookPost anonymously?

Lokesh Verma ·2008-12-23 10:06:18

For the horizontal velocity to be zero,

V-Ï‰RcosÎ¸=0

so cosÎ¸=V/Ï‰R

Hence Î¸=cos^-1(V/Ï‰R)

UP 0 DOWN 0
Post on FacebookPost anonymously?

Lokesh Verma ·2008-12-23 10:06:49

@Unique.. that is the case when V=0...

try to see that from the formula that i derived above...!!

UP 0 DOWN 0
Post on FacebookPost anonymously?

eureka123 ·2008-12-23 10:09:29

u r gr8 sir

UP 0 DOWN 0
Post on FacebookPost anonymously?

? ·2008-12-23 10:29:53

arre ha rey !!.......... ..thank u !

UP 0 DOWN 0
Post on FacebookPost anonymously?

Your Answer

Basic Integral Calculus Operators Symbols Matrix Cases

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

∫ ∫ ∫ ∫ ∫ ∬ ∬ ∬ ∬ ∬ ∭ ∭ ∭ ∭ ∭ ⨌ ⨌ ⨌ ⨌ ⨌

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

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

° ∂ ∞ 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

Close [X]

velocity

5 Answers

Your Answer

Add Image

Similar Questions