The skater covered 900 m in 1.5 minutes, then 600 m in 30 seconds. Average movement speed is.

univerkov | November 25, 2020 | education

First, let’s convert minutes to seconds:
1.5 minutes = 90 seconds;
Vcp = Sall / Tvce
Vav = S1 + S2 / T1 = T2
Vcp = 900 + 600/90 + 30 = 1500m / 120s = 12.5m / s

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