Two pendulums of equal length l = 1.15 m are suspended from the same ceiling and are hanging side by side just touching each other at rest as shown in the diagram. The pendulum bobs are steel spheres and weighs m1 = 0.35 kg and m2 = 0.77 kg. If bob m1 is drawn back to make an angle  = 350 with the vertical and then let go  Part a. Draw the FBD for the problem Part b. With what speed m1 strikes m2?  Part c. Consider m1 strikes m2 elastically, how high will m2 rise above its initial point after the strike? Part d. What angle m2 makes with the vertical at this point?

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