A thin spherical shell of radius R = 5.0 cm and mass M = 2.0 kg is placed at the top of an incline. Thesurface of the incline makes an angle 0 = 25° with the horizontal. The shell is released from rest and rolls without15.slipping. [Icom =MR² for spherical shell]a) What is the acceleration of its center of mass (acom) duringrolling?b) What is the magnitude and direction of the force of frictionrequired to maintain pure rolling?c) If it reaches an angular speed of w = 84 rad/s at the bottom ofthe incline, what is the height h of the incline?Answers: a) 2.48 m/s² ; b) 3.31N, directed up the incline; c) 1.5m

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Answered: 15. A thin spherical shell of radius R…

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