The following table lists data for the speed and radius of three examples of uniform circular motion. Find the magnitude of the centripetal acceleration for each example. Radius Speed Example 1 Example 2 Example 3 0.80m 18m/s Infinitely large 49m/s 2.5m 2.4m/s (a) Example 1:ac = Number 405 Units m/s^2 (b) Example 2: a. = Numberi Units (c) Example 3: ac = Number 2.304 Units m/s^2

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.