velocity

AIEEE 2015 Online › 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

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? ·2008-12-23 10:05:45

as from the figure.. guess its pi/2

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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)

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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...!!

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eureka123 ·2008-12-23 10:09:29

u r gr8 sir

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? ·2008-12-23 10:29:53

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

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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

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velocity

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