College Physics
Assignment 2, Bingpu ZHOU, University of Macau
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1. Please figure out the center of mass in y axis of an
equilateral triangle with length, 2l. (10 points)
Hint:
2. Consider two balls undergoing the
collision with mass of m1, m2, and velocity
of v1, v2. Please explain under which final
condition the system will lose most of the
kinetic energy. And why? (10 points)
1