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Unformatted text preview: b) Show that F r is perpendicular to j y i x r + = r . c) Find the work done by this force on a particle that moves once around a circle of radius 5 m centered at the origin. d) Explain if the force is conservative or not. 10.0 kg 5.0kg 2 4. A block slides on the frictionless loop-the-loop track shown below. Find the minimum height H at which it can be released from rest and still make it around the loop. 5. A small block of mass m is placed inside an inverted cone that is rotating about a vertical axis such that the time for one revolution of the cone is T. The walls of the cone make an angle with the vertical. The coefficient of static friction between the block and the cone is s . If the block is to remain at a constant height h above the apex of the cone, what the minimum and maximum values of T? h...
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