Ngā Whatunga Gurumuda
Papa tōpana – ngā raruraru me ngā otinga 1. He aha te ōwehenga o te papa tōpana o te mea A me te mea B? E mōhiotia ana: Papatipu o te mea A (mA) = 1 Papatipu o te mea B (mB) = 2 Te tawhiti o te mea A mai i te aorangi o Papatūānuku (rA) = 1 Te tawhiti o te mea … Pānuitia atu
Pānga Doppler – ngā raruraru me ngā otinga 1. (1) he kaimātakitaki e neke ana ki te pūtake tūmau (2) he pūtake e neke ana ki te kaimātakitaki tūmau (3) ka whakatata te kaimātakitaki me te pūtake ki a rāua anō (4) kei te neke te kaimātakitaki me te pūtake i te tere kotahi Mena he teitei ake te reo i rangona i te auau o te pūtake i tukuna, ko tēhea kōrero … Pānuitia atu
Te Aromatawai Wai – Ngā Raru me Ngā Otinga Te ariā a Torricelli 1. Kua whakakīia tētahi ipu ki te wai, ā, he kōhao kei reira, e whakaaturia ana i te pikitia i raro nei. Mena ko te whakaterenga nā te kaha ā-papa he 10 ms-2, he aha te tere o te wai i roto i taua kōhao? E mōhiotia ana: Teitei (h) = 85 cm – 40 cm = 45 cm … Pānuitia atu
Te pūmautanga o te wai – ngā raruraru me ngā otinga Te pēhanga wai 1. He aha te rerekētanga i waenga i te pēhanga wai o te toto i waenga i te roro me te kapu o ngā waewae o te tangata he 165 cm te roa (me kī ko te mātotoru o te toto = 1.0 × 103 kg/m3, te whakaterenga nā te kaha ā-papa = 10 m/s2) E mōhiotia ana: Teitei … Pānuitia atu
Te whānui wera – ngā raruraru me ngā otinga Te whānui horahanga 1. Ko te rahi o tētahi rau maitai i te 20°C he rite ki te pikitia i raro nei. Mena ko te tauwehenga whānui rārangi mō te maitai he 10-5°C-1, he aha te huringa o te horahanga i te 60°C. E mōhiotia ana: Te roa o te maitai = 40 cm Te whānui o te maitai... Pānuitia atu
Te Momentum – ngā raruraru me ngā otinga 1. Ka neke te pōro 0.5-kg i te 2 m/s. Kātahi ka pāngia te pōro e te kaha F i te ritenga kē atu o te ahunga o te pōro, nō reira ka hurihia te tere o te pōro ki te 6 m/s. Kei te pā te pōro ki te kaiwhiu mō te 0.01 hēkona, he aha te huringa o te momentum o te pōro. E mōhiotia ana: … Pānuitia atu
Te Tiakitanga o te Pūngao Ā-ringa – Ngā Raru me Ngā Otinga 1. Ka tukuna he poraka m-kg mai i te tihi o te papa whakarara maeneene, e whakaaturia ana i te pikitia i raro nei. Ko te whakatairite i waenga i te pūngao pūmanawa ā-papa me te pūngao nekeneke o te poraka i te pūwāhi M ko... Otinga Pūngao pūmanawa ā-papa i te pūwāhi M: PEM = m... Pānuitia atu
Te Ārai – ngā raruraru me ngā otinga 1. Ka taka noa tētahi pōro 0.5 kg te taumaha mai i te teitei o h1 = 7.2 mita, ā, ka whakaata i te teitei o h2 = 3.2 mita. Te whakaterenga nā te kaha ā-papatipu = 10 m/s2. Tātaihia te ārai. E mōhiotia ana: Papatipu o te pōro (m) = 0.5 kg Teitei tuatahi (h1) = 7.2 mita Teitei tuarua … Pānuitia atu
Ngā Tukinga Momotuhi Ārai – Ngā Raru me ngā Otinga 1. I pupuhi whakapaetia he matā rapa 40-karamu ki te pakitara, e whakaaturia ana i te pikitia i raro nei. Ka whakaatahia te matā i te tere ōrite. He aha te panoni o te nekehanga o te pōro? E mōhiotia ana: Papatipu (m) = 40 karamu = 0.04 kg Tere tīmatanga (vo) = – … Pānuitia atu
Te kaha o te oro – ngā raruraru me ngā otinga 1. Kei te 4 mita me te 9 mita te tawhiti o ngā pūwāhi A me B mai i te pūtake o te oro. Mena ko te kaha o IA me IB kei te pūwāhi A me te pūwāhi B, ko IA: IB =… E mōhiotia ana: Ko te tawhiti o te pūwāhi A mai i te pūtake o te oro (rA) … Pānuitia atu