1. please locate the CM(center of mass) of a right-angled triangle, WITHOUT the use of calculus. One good starting point would be to divide it into three pieces: two smaller right-angled triangle plus a rectangle. Must show your work.

2. Cut a piece of cardboard paper into a right-angled triangle. Suspend it on a string at two different locations to pinpoint the center of mass experimentally. Does the result agree with part (a) above? Show some pictures or (better yet) a video of your experiment.

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