(b) An external force is exerted on the sphere to speed it up. After the force is removed, the sphere has enough speed to move in a complete circle, as shown in Figure 3. The angle is equal to zero when the sphere is at point and is 180 degrees when the sphere is at point , the topmost point of the circular path
i. On the axes shown, sketch a possible graph of the potential energy of the sphere-Earth system as a function of θ. Label the graph “ U”
ii. On the same axes, sketch a possible graph of the kinetic energy of the sphere as a function of the θ . Label this graph “ K”
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Page 44 of 63(b) An external force is exerted on the sphere to speed it up. After the force is removed, thesphere has enough speed to move in a complete circle, as shown in Figure 3. The angle isequal to zero when the sphere is at point and is 180 degrees when the sphere is at point ,the topmost point of the circular path.Please respond on separate paper, following directions from your teacher.i. On the axes shown, sketch a possible graph of the potential energy of the sphere-Earthsystem as a function of . Label the graph “.”Please respond on separate paper, following directions from your teacher.ii. On the same axes, sketch a possible graph of the kinetic energy of the sphere as a functionof the . Label this graph “.”
AP Physics 1Test BookletUnit - 4 Question Bank (Work and Energy)Copyright © 2017. The College Board. These materials are part of a College Board program. Use or distribution of these materials online or in printbeyond your school’s participation in the program is prohibited.Page 45 of 63Please respond on separate paper, following directions from your teacher.iii. When the sphere makes a complete revolution around its circular path, does it spend moretime in the top half of the circle, more time in the bottom half of the circle, or the same amountof time in both halves of the circle?Briefly state your reasoning.Please respond on separate paper, following directions from your teacher.