A small sphere of radius ro = 1.5 cm rolls without slipping onΓοthe inside of a track of radius R₁ = 26 cm. If the small spherestarts from rest at the vertical edge of the track, (a) what will beits speed when it reaches the lowest point of the track? When itleaves the track after passing through an angle of 135°, (b) whatwill be its speed, and c) at what distance D from the base of thetrack will the sphere hit the ground? (The rotational inertia of asmall sphere about its center of mass is I=2mr2/5.Ro135°Ro.DHint: Don't forget theradius of the spherewhen looking atgravitational potentialenergy!(a) v1.85 m/s, (b) v' = 1.56m/s, c) D= 0.478 m.

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Answered: A small sphere of radius ro = 1.5 cm…

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