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Linear-Angular Velocity Relation
v
=
r
ω
Relates linear and angular velocities.
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Variables
v
Linear velocity
Tangential speed
m/s
r
Radius
Distance from axis
m
ω
Angular velocity
Rate of rotation
rad/s
Derivation
Arc length s = rθ, differentiate: v = ds/dt = r(dθ/dt) = rω.
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