12 Ngā Tauira o ngā Ngaru Whakawhiti
1. Ko te whārite o tētahi ngaru whakawhiti e horapa ana i runga i tētahi aho ko y = 3 sin π (120 t – 0,4 x). Mena kei roto i te cm a x me y, ā, kei roto i te hēkona a t, ko te roanga ngaru ko ….
A. 1 henemita
B. 2 henemita
C. 3 henimita
D. 4 henimita
E. 5 henimita
Ko ngā inenga, ngā tātaitanga rānei i roto i te ahupūngao, mai i ngā rahi matūriki tino iti, pērā i te papatipu o te irahiko, ki ngā rahi tino nui, pērā i te papatipu o te whenua. Ko te tuhi i ngā hua o ngā inenga o ngā mea tino nui, hei tauira, ko te papatipu o te whenua he tata ki te 6.000.000.000 kg, ko ngā hua rānei o ngā inenga o ngā matūriki tino iti, hei tauira, ko te papatipu o te irahiko he tata ki te 000.000.000.000.000. Ko te 0,000.000.000.000.000.000.000.000.000.000.911 kg he wāhi nui, ā, he maha ngā wā ka hē te tuhi. Hei whakakore i tēnei raruraru, ka taea e tātou te whakamahi i te tuhi pūtaiao.
Ka taea te whakamahi i te tātaritanga ā-ahu i roto i te ahupūngao hei tirotiro i te tika o ngā putanga whārite. I roto i te tātaritanga ā-ahu, ko ngā rahinga ā-tinana anake me ngā rahinga ōrite ka taea te tāpiri, te tango, te whakataurite rānei. Mena ka whakareatia, ka wehea, ka whakanuia rānei ngā rahinga ā-tinana me ngā rahinga ōrite, rerekē rānei ki te mana, ka whakareatia, ka wehewehea, ka whakanuia rānei ngā rahinga o aua rahinga ki te mana.
5 Ngā Tauira o te Ture a Bernoulli
1 P1 dan v1 ko te pēhanga me te tere o te hau i runga ake i te parirau, P2 dan v2 ko te pēhanga me te tere o te hau i raro i te parirau. Mō te rere o te waka rererangi, ko ngā āhuatanga ko...
A.P.1 =P2 dan v1 = v2
B.P1 < P2 dan v1 > v2
C.P1 < P2 dan v1 < v2
D.P.1 > P2 dan v1 > v2
E.P.1 > P2 dan v1 < v2
Kōrero:
8 Ngā Tauira o ngā Tau Hiranga
1. Ko te roa o te taura i inehia e te ākonga ko te 0,20350 m. Ko te maha o ngā matihiko hiranga i roto i te ine ko…
A. rua
B. toru
C. whā
D. rima
E. ono
Kōrero:
Ko te whakautu tika ko D. Ko ngā matihiko hiranga ko 2, 0, 3, 5, 0. Ehara te tau 0 kei mua i te ira tekau i te matihiko hiranga.
Ko tētahi o ngā āhuatanga nui o tētahi mea ko te mātotoru, arā, matotorunya. Ko te kupu matao ko te mātotoru. Ko te mātotoru te ōwehenga o te papatipu ki te rōrahi o tētahi matū. E ai ki te pāngarau, ka tuhia:
ρ = m/V
(Ko te ρ e pānuitia ana ko "rho") he reta Kariki e whakamahia whānuitia ana hei whakaatu i te kiato, ko te m te papatipu, ā, ko te V te rōrahi.
Pūnaha ā-ao o ngā waeine matotoru ko te kirokaramu ia mita pūtoru (kg/m3Mō ngā waeine CGS, arā, he henimita, he karamu, me hekona, ka whakaaturia te waeine kiato i roto i ngā karamu mō ia henimita pūtoru (gr/cm3).
Kua pātai koe, He aha ngā mea totoka e mānu ai i runga i te mata o te wai? Ka maka e koe te kōka ki roto i te wai, ā, ka mānu te kōka. I tētahi atu taha, ki te maka e koe he ngira tuitui, he kōhatu rānei ki roto i te wai, ka totohu te ngira tuitui, te kōhatu rānei, ahakoa he iti ake te rahi o te ngira, o te kōhatu rānei i te kōka. He aha ngā āhuatanga e mānu ai te mea totoka i runga i te mata o te wai?
Ka pā te kaha ā-papa o te whenua ki ngā mea katoa i runga i te mata o te whenua, nō reira, he kaha ā-papa tō ia mea he papatipu tōna. Mēnā he iti ake te kaha taumaha (w) o tētahi mea totoka i te kaha pōrewarewa (F A ) o te wai, kāti, ina rumakina te mea totoka ki roto i te wai, ka neke ake te mea ka mānu i runga i te mata o te wai.
Kua whakaaro koe he aha te makariri ake i te tihi o te maunga? He makariri ake ngā tihi o ngā maunga, ngā whenua teitei rānei i te hau o ngā whenua papaku, i te tata rānei ki te taumata o te moana. Ko te teitei ake o te wāhi i runga ake i te taumata o te moana, ko te makariri ake o te hau i reira. Me mahana ake te hau i te tihi o te maunga nā te mea he tata atu ki te rā. He aha te makariri ake i te tihi o te maunga?
E ai ki te ture ā-papa a Newton , ko te kaha o te kaha ā-papa o te Ao i runga i tētahi wāhi he rite whakamuri ki te tapawhā o te tawhiti i waenganui i te pokapū o te Ao me taua wāhi. Nō reira, ko te tawhiti atu o tētahi wāhi i te pokapū o te Ao, ka iti ake te kaha ā-papa o te Ao i taua wāhi. Arā, ko te teitei ake o tētahi wāhi i runga ake i te taumata o te moana, ka iti ake te kaha ā-papa o te Ao i taua wāhi. Nō reira, ko te kaha ā-papa o te Ao i runga i tētahi wāhi e tata ana ki te taumata o te moana, i ngā whenua pāpaku rānei, he nui ake i te kaha ā-papa o te Ao i runga i tētahi papa whenua, i tētahi tihi maunga rānei.
Mahia te whakamātautau e whai ake nei.
Whakairihia he taumaha ki runga i te dynamometer ka tuhia te taumaha e tohuhia ana e te dynamometer. Muri iho, whakatakotoria te taumaha ki roto i te wai ka tuhia te taumaha e tohuhia ana e te dynamometer.
Whakatauritea ō inenga. He nui ake te taumaha ina kei roto i te wai, ina kore rānei i roto i te wai? He aha ai? Matapakihia ngā hua o tēnei whakamātautau me tō hoa.
Ko te kaha noa ko te kaha e pā ana ki ngā mea e pā ana, ko te ahunga o te kaha he poutū ki te papa pā. Ko tōna tohu ko N, ā, ko te pūnaha ā-ao o ngā waeine ko kg m/s 2 , ko Newton rānei.
Ākihia a N ki runga i te mata papatahi
Ko N te kaha e pā ana ki te papa i runga i te kurupae, ko N' te kaha e pā ana ki te kurupae i runga i te papa. Ko w te kaha ā-papa e pā ana ki te kurupae, ki te taumaha rānei o te kurupae. Ko N me N' he kaha mahi-tauhohenga, ko N me w ehara i te kaha mahi-tauhohenga.