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To calculate the speed of an object in circular motion, use the formula v = rω.

Circular motion is the movement of an object along a circular path. The speed of an object in circular motion is the distance it travels along the circumference of the circle in a given time. The speed can be calculated using the formula v = rω, where v is the speed, r is the radius of the circle, and ω is the angular velocity.

Angular velocity is the rate at which an object rotates around an axis. It is measured in radians per second (rad/s). To calculate the angular velocity, use the formula ω = Δθ/Δt, where Δθ is the change in angle and Δt is the change in time.

Once the angular velocity is known, the speed can be calculated using the formula v = rω. For example, if an object is moving in a circle with a radius of 2 metres and an angular velocity of 3 radians per second, its speed would be v = 2 x 3 = 6 metres per second.

It is important to note that the speed of an object in circular motion is constant only if the radius and angular velocity remain constant. If either of these values change, the speed of the object will also change.

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