define angular velocity (w) and derive v = r(t)
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Explanation:
The rate of change of angular displacement(θ) of a body is known as angular velocity(ω). ω=dtdθ Consider a rigid body moving with uniform velocity v along with the circumference of a circle of radius r. Assume body covers a linear distance △x in small interval of time △t, making an angle △θ at the center.
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