notes. Please begin each problem on a new page, and show all work to receive credit. 1. (40%) Starting from rest at point A, Tarzan (whose mass m - 100 kg) swings on a 10 m A long vine. which initially makes a 60" angle with the vertical, as shown in the diagram. B (a) How much lower than the starting point A is Tarzan, when he reaches point B, the lowest part of his swing? (b) How much work has Earth's gravity done on Tarzan between points A and B? (c) How fast is Tarzan moving at point B? Neglect friction. (d) What is the tension in the vine when Tarzan passes through point B