mass attached to a string is twirled overhead in a horizontal circle of radius R every 0.3 s. The path is directly 2 m above the ground. When released, the mass lands 14.6 m away. a) Draw a sketch of the scenario to include the circular spin and horizontal launch. b) What was the velocity of the mass when it was released and c) What was the radius of the circular path. d) Look closely at the picture and estimate the radius of the overhead circular spin. Briefly discuss how your estimate compares to your result determined in part c).

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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.