https://peda.net/id/fd91dfd6053 2019-11-12T13:10:09+02:00 https://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> https://peda.net/id/484d95d6054 2019-11-12T14:06:20+02:00 a)<br/> <a href="https://peda.net/p/oskari.lahtinen/fy4s-voima-ja-liike/3lt/3-5/sieppaa-png#top" title="Sieppaa.PNG"><img src="https://peda.net/p/oskari.lahtinen/fy4s-voima-ja-liike/3lt/3-5/sieppaa-png:file/photo/19d085fa17cdc12559f217dfb0a5752c9a4806c4/Sieppaa.PNG" alt="" title="Sieppaa.PNG" class="inline" loading="lazy"/></a><br/> b)<br/> nopeus on noin 19m/s<br/> c) 2019-11-12T14:02:21+02:00 https://peda.net/id/7f72c690054 2019-11-12T13:56:44+02:00 a) 36m/s<br/> b) 45s<br/> c) 30s<br/> d) 30s<br/> e) 0,9m/s^2, -1,2m/s^2<br/> f)<br/> <div>etäisyys kiihdyttäessä</div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=x%3Dv_0t%2B%5Cfrac%7B1%7D%7B2%7Dat%5E2" alt="x=v_0t+\frac{1}{2}at^2"/></div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=x%3D%5Cfrac%7B1%7D%7B2%7D%5Ccdot0%7B%2C%7D9%5C%20%5Cfrac%7Bm%7D%7Bs%5E2%7D%5Ccdot45%5E2s%3D911%7B%2C%7D25m" alt="x=\frac{1}{2}\cdot0{,}9\ \frac{m}{s^2}\cdot45^2s=911{,}25m"/></div> <div>etäisyys tasaisen liikkeen aikana</div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=30s%5Ccdot36%5C%20%5Cfrac%7Bm%7D%7Bs%7D%3D1080m" alt="30s\cdot36\ \frac{m}{s}=1080m"/></div> <div>etäisyys jarruttaessa</div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=36%5C%20%5Cfrac%7Bm%7D%7Bs%7D%5Ccdot30s%2B%5Cfrac%7B1%7D%7B2%7D%5Ccdot%5Cleft(-1%7B%2C%7D2%5C%20%5Cfrac%7Bm%7D%7Bs%5E2%7D%5Cright)%5Ccdot30%5E2s%3D1080m-540m%3D540m" alt="36\ \frac{m}{s}\cdot30s+\frac{1}{2}\cdot\left(-1{,}2\ \frac{m}{s^2}\right)\cdot30^2s=1080m-540m=540m"/><br/> <img src="https://math-demo.abitti.fi/math.svg?latex=%5CDelta%20x%3D911%7B%2C%7D25m%2B1080m%2B540m%3D2531%7B%2C%7D25m" alt="\Delta x=911{,}25m+1080m+540m=2531{,}25m"/></div> 2019-11-12T13:56:44+02:00 https://peda.net/id/9ebf3d90054 2019-11-12T13:50:27+02:00 a) <br/> x(0,2h)=5km<br/> x(1h)=12,5h<br/> b) 7,5(km/h)/0,8h=9,375km/h<br/> c) 6min, 750m, 7,5km/h 2019-11-12T13:50:27+02:00