Measurementshttps://peda.net/id/87ef8a9094a2018-07-31T13:36:06+03:00https://peda.net/:static/535/peda.net.logo.bg.svg<div class="license">Tämän sivun lisenssi <a rel="license" href="https://peda.net/info">Peda.net-yleislisenssi</a></div>
Accelerating carshttps://peda.net/id/0f382574b262018-09-07T09:44:15+03:00<dl><dt><!--filtered attribute: class="thumbnail"--><a href="https://peda.net/p/marko.ukkola/fysiikka/physicsfy1e/measurements/accelerating-cars/20180730_143905-jpg#top" title="20180730_143905.jpg"><img src="https://peda.net/p/marko.ukkola/fysiikka/physicsfy1e/measurements/accelerating-cars/20180730_143905-jpg:file/thumbnail/afb650abeccc608db6f84af4d2e207fff6faaf07/20180730_143905.jpg" alt="" title="20180730_143905.jpg" class="thumbnail" loading="lazy"/></a></dt>
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2018-09-07T09:41:33+03:00Measuring an anglehttps://peda.net/id/95389aba94a2018-08-01T10:13:14+03:001. Using a compass and a ruler draw three sectors of different sizes. Make sure that central angle is the same for all three.<br/>
2. Use the ruler to measure radius [[$ r $]] and bow [[$ b $]] of each sector.<br/>
3. Calculate maximum and minimum values of radius and bow using assumption that when using ruler you can measure with accuracy of 1 mm.<br/>
4. Use your calculator to get ratio [[$ \frac{b}{r} $]].<br/>
<span>5. Calculate also ratios</span><span> [[$ \frac{b_{max}}{r_{min}} $]] and<span> </span>[[$ \frac{b_{min}}{r_{max}} $]]. Use these to get your measurement uncertainty.</span><br/>
6. The value calculated is value of angle in radians. Radian unit is quite common in science.<br/>
7. Compare your three results and results of others together.<br/>
<span class="small"><a href="https://peda.net/p/marko.ukkola/fysiikka/physicsfy1e/measurements/measuring-an-angle/sektori-png#top" title="sektori.png"><img src="https://peda.net/p/marko.ukkola/fysiikka/physicsfy1e/measurements/measuring-an-angle/sektori-png:file/photo/efe96a79d466a4f2249dce95e3a68d3d837df115/sektori.png" alt="" title="sektori.png" class="inline" loading="lazy"/></a></span><br/>
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2018-07-31T13:43:38+03:00