A system of three point masses (1 kg, 2 kg, 3 kg) is placed at the vertices of a right-angled triangle with side lengths 3 m, 4 m and 5 m. The 1 kg mass is at the origin (0, 0), the 2 kg mass is 3 m from it along the x-axis, and the 3 kg mass is 4 m from it along the y-axis. Find the position of the center of mass of the system.
University of Ilorin PHY101 2026-exam past question
- i + 2j
- i - 2j
- 2i + j
- 2i - j
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