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Solve of the problem - 20
Sold: 0
Uploaded: 19.12.2015
Content: reshenie-20.gif 43,83 kB
Uploaded: 19.12.2015
Content: reshenie-20.gif 43,83 kB
Product description
Po priamolineinoi avtostrade (ris. 8) dvizhutsia ravnomerno: avtobus — vpravo so skorostiu 20 m/s, legkovoi avtomobil — vlevo so skorostiu 15 m/s i mototsiklist — vlevo so skorostiu 10 m/s. Koordinaty etikh ekipazhei v moment nachala nabliudeniia ravny sootvetstvenno 500, 200 i -300 m. Napisat ikh uravneniia dvizheniia. <br /> Naiti: <br /> a) koordinatu avtobusa cherez 5 s; <br /> b) koordinatu legkovogo avtomobilia i proidennyi put cherez 10 s; <br /> v) cherez kakoe vremia koordinata mototsiklista budet ravna -600 m; <br /> g) v kakoi moment vremeni avtobus proezzhal mimo dereva; <br /> d) gde byl legkovoi avtomobil za 20 s do nachala nabliudeniia.
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