A satellite moves on a circular earth orbit that has a radius of 6.7 x 105 m. A model airplane is flying on a 15-m guideline in a horizontal circle. The guideline is parallel to the ground. Determine the speed (m/s) of the plane such that the plane and the satellite have the same centripetal acceleration.

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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.