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Mathematics 9 Online
OpenStudy (anonymous):

an object starts to slide from rest from a point A on a frictionless curved structure ABC and then continues its motion on an incloned plane CD and an horizontal plane DE.Assuming that the object remain in contact with the surface, (1)find the speed of the object when it reaches point C (2)If the surface CDE is rough with a coefficient of friction of 0.2 find the speed of the object when it reaches point D (3)If the object comes to rest at E calculte the distance DE

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