HangangaMātauranga Tuarua me ngā kura

Ko te tātai o "Tere, wa, tawhiti." Me pēhea te ki te whakaoti i te raruraru?

Kia tahuri haapiiraa ahupūngao kura ki te kēmu whakaongaonga! I roto i tenei tuhinga, ka waiho to tatou wahine pūrotu te tātai o "Tere, wa, tawhiti." Te tātari wehe ia tawhā, tapaea tatou te tahi mau hi'oraa ngā.

tere

He aha te mea te "tere"? Ka taea e kite koe i te āhua o te haere tere kotahi motokā, te atu ko he āta; te tangata kotahi korero te taahi, tetahi - e kore i roto i te hohoro. haere hoki pahikara i kīia e rerekē. Ae! E auau. He aha te tikanga o te reira? O te akoranga, te tawhiti i ko te tangata. peia e ahau i te motokā mo etahi wa motuhake. Me kī e te tangata tere 5 km / h. Ko te 1-haora, ko ia 5 kiromita.

Me pēhea te ki te kitea te tere, te wā, tawhiti? Kia tīmata te ki tere. Titiro tata, he aha kua whanganga reira? Noatia, km / h m / s. He atu wae, hei tauira, km / s (i roto i te wāhi), mm / h (i roto i te matūora). Kia whai whakaaro ki te mea tu i roto i te mua o "/" tohu me muri. Tuatahi, te auraa "pukapuka", e te tikanga e te taurunga - mm, km, m, i roto i te tautunga - h, s, min. Tuarua, te mea te reira he haamana'oraa o te tātai tenei, kua kore te reira? Kiromita, mita - te tawhiti, roa, me te haora, tuarua, meneti - wā. Na nui hoki te matamata. Ko māmā ki te mahara ki ki te kitea te tere, titiro kahore kōwae (km / h, m / s). Kupu anake:

v = S / t = km / h.

He aha te mea te wa? O te akoranga, tei reira ki runga ki te tere. Hei tauira, kei te tatari koe i te paepae o te whaea whare me te tuakana. haere ratou i roto i o te taonga. Te taea'e nui mua i haere mai. a mama ki te tatari e pā ana ki te 5 meneti te aha? No te mea ko ratou i te tere rerekē. O te akoranga, ki te hohoro te tiki ki to koutou ūnga, e hiahia ana koe ki te tāpiri i te tere ki te whakatere i te nekehanga ki te hoatu te pēhanga ki runga ki te "hau" i roto i te motokā uaua, ki te kia marara i runga i te pahikara. Anake, no te te wiwi, kia tupato, me te ara kia rite kore ki te puku ki te tangata ranei, ki te tahi mea.

Me pēhea te ki te kitea te wa? E tatou te tere matamata - km / h. A me pehea ki te hei ki te wa? Tuatahi, whanganga wa e i roto i meneti, hēkona, haora. puta te tātai o "tere, te wā, tawhiti" ko e whai ake:

wā t [hekona., min., hr] = S [m, mm, km] / v [m / s, mm / min, km / h].

Ki te tahuri koe he hautanga o nga ture katoa o te pāngarau, whakapoto te tawhā tawhiti (te roa), ka takoto ko ia anake, he tuarua, meneti haora ranei.

Tawhiti, traversed roa ara

Here ka waiho reira māmā ki te whakatere, atu pea, kaitaraiwa e whai i te ine hauroa haerenga i roto i te motokā. Ka waiho ratou taea ki te whakatau i te tini o kiromita haere, engari e mohio ana ano hoki te tere. Engari kia rite ki te kaupapa pāhiwihiwi, ka whakaturia tonoe kore e te nekehanga mahi, te kore tango tatou i te tere toharite.

Ara Tātai (tawhiti) - te hua o te tere me te wā. O te akoranga, te kōwhiringa tino watea, me te utu - te reira te wā. Ko te karaka i te katoa. e kore he tere tiriti tino 5 km / h, me āhua. Na reira, i reira kia kia he hapa. I roto i taua take, hiahia pai tango e koe i te mahere o te rohe. Kia mōhio he aha te tauine. kia tohua te reira e hia kiromita ranei mita i roto i te 1 cm. Āpiti te rangatira, me te ine i te roa. Hei tauira, i te kāinga ki te ara tika kura waiata. kua tahuri wāhanga A 5 cm i runga i te tauine tohu 1 cm = 200 m te tikanga e te mau tawhiti - .. 200 * 5 = 1000 m = 1 km. Kia pehea te nui haere koe i te tawhiti? Hoki te hawhe haora? Tū korero, 30 = 0.5 min h = (1/2) haora. Ki te whakaoti tatou te raruraru, huri i te reira i roto i taua haere i te tere o te 2 km / h. Ngā wā katoa e tauturu i te whakaoti i te raruraru o te tātai "te tere, te wā, tawhiti."

Kaua e ngaro!

tohutohu ahau a koutou e kore e ki te mahue i te ngā tino nui. A, no te e hoatu e koe he mahi, kia tahuri i roto i te mea e hoatu wae tawhā. Ka taea e raruraru Kaituhi tinihanga. tuhi ia i roto i te hoatu:

peia te tangata i runga i te poromu i runga i te pahikara 2 kiromita i roto i te 15 meneti. Kaua e rere tonu ki te whakaoti i te raruraru mā te whakamahi i te tātai, te kore whiwhi koutou tetahi mea, e kore koutou ko te kaiako ka tatau i te reira. Kia mahara e roto i tetahi take e kore e taea ki te mahi pera: 2 km / 15 min. whiwhi koe i te wae o te inenga km / m, e kore km / h. Me koe ki te whakatutuki i te muri. Whakaturia te meneti i roto i te karaka. Me pēhea te ki te mahi i te reira? 15 meneti -. Ko 1/4 haora 0.25 haora taea inaianei humarie 2km / 0,25ch = 8 km / h ranei. Na kua te raruraru kua kitea tika.

Ko te ngāwari ki te mahara tātai "tere, te wā, tawhiti." te whai Just nga ture katoa o te pāngarau, e whakarongo ki nga wae i roto i te raruraru. Ki te mea i reira he onäianei, rite i roto i te tauira i runga noa i runga, iriti tonu i roto i ngā waeine SI, rite tūmanakohia.

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