Can u solve all of parts E and F for me Exercise 3:A sphere of mass 10 Kg is released from rest at O and slides down an inclined plane making an anglea= 30° with the horizontal. Let the horizontal level passing through O to be the reference level forgravitational potential energy Use g=10m/s.Reference level of P.E.(S)A. Find the mechanical energy at O.B. Find the mechanical energy at A, knowing that OA-2.5m and its speed at A is V-Sm/sC. Is the mechanical energy conserved? Justify your answer.D. Represent and characterize the forces acting on the sphere during its motion.E D Show that the resultant of these forces may be written as F (Mg sing)i2) Deduce the acceleration of motion of the sphere) Find the spced of the sphere at the bottom of the plane, knowing that OB-4m.E Apply work energy theorem between the points O and B to find again the sped ofBFilters+Add a caption...Rana

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C. Is D. Represent and characterize the forces acti E D Show that the resultant of these forces may be written as EF= (Mg sina)i 2) Deduce the acceleration of motion of the sphere 3) Find the spced of the sphere at the bottom of the plane, knowing that OB-4m een the points O and B to find again the speed of B.

C. Is D. Represent and characterize the forces acti E D Show that the resultant of these forces may be written as EF= (Mg sina)i 2) Deduce the acceleration of motion of the sphere 3) Find the spced of the sphere at the bottom of the plane, knowing that OB-4m een the points O and B to find again the speed of B.