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MathNet 2026 — Part 01 Question 90

Math Olympiad Vault · MathNet 2026 — Part 01

Question 90

A body in free fall takes time $11$ seconds to touch the ground. In the first second he travels $4,5\ \mathrm{m}$, every second it follows, the distance traveled increases from $9,8\ \mathrm{m}$. What is the height of the fall and how many meters did it travel at the last second?