1.oblicz wysokość z której opuszczone ciało spada swobodnie w ciągu 1s 2.
S =
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S =![\frac{at^{2}}{2} \frac{at^{2}}{2}](https://tex.z-dn.net/?f=%5Cfrac%7Bat%5E%7B2%7D%7D%7B2%7D)
S =![\frac{10m/s^{2}*1s*1s}{2} = \frac{10m}{2} = 5m \frac{10m/s^{2}*1s*1s}{2} = \frac{10m}{2} = 5m](https://tex.z-dn.net/?f=%5Cfrac%7B10m%2Fs%5E%7B2%7D%2A1s%2A1s%7D%7B2%7D+%3D+%5Cfrac%7B10m%7D%7B2%7D+%3D+5m)