Ngā rahinga me ngā waeine i ahu mai – ngā raruraru me ngā otinga
1.
I runga i te ripanga i runga ake nei, tautuhia ngā rahinga i ahu mai me ā rātou waeine ā-ao.
otinga
kiato
Ko te whārite o te kiato ko ρ = m / V
m = papatipu (ko tōna waeine ā-ao ko te kirokaramu, he whakarāpopototanga ki te kg)
V = rōrahi (ko tōna waeine ā-ao he mita pūtoru, he whakarāpopototanga m 3 )
ρ = te mātotoru (ko tōna waeine ā-ao ko te kirokaramu ia mita pūtoru, he whakarāpopototanga kg/m 3 )
Force
Ko te whārite o te kaha ko F = ma
m = papatipu (ko tōna waeine ā-ao ko te kirokaramu, he whakarāpopototanga ki te kg)
a = whakaterenga (ko tōna waeine ā-ao ko ngā mita ia hekona tapawhā, he whakarāpopototanga m/s 2 )
F = te kaha (ko tōna waeine ā-ao ko te kirokaramu mita ia hekona tapawhā, he whakarāpopototanga kg m/s 2 )
tere
Ko te whārite o te tere ko v = s/t
s = tawhiti (ko tōna waeine ā-ao ko te mita, he whakarāpopototanga m)
t = wā (ko tōna waeine ā-ao ko te hēkona, he whakarāpopototanga ko s)
v = tere (ko tōna waeine ā-ao ko ngā mita ia hekona, he whakarāpopototanga m/s)
Area
Ko te whārite o te horahanga ko A = lxl
l = te roa (ko tōna waeine ā-ao ko te mita, he whakarāpopototanga m)
A = horahanga (ko tōna waeine ā-ao ko te mita tapawhā, he whakarāpopototanga m 2 )
Temperature
Ko te pāmahana te rahinga turanga. Ko te tohu o te pāmahana ko T, ā, ko tōna waeine ā-ao ko Kelvin, he whakarāpopototanga ko K.
Ko ngā rahinga i ahu mai me ō rātou waeine ā-ao e whakaaturia ana e ngā tau (1), (2), me (3).
2.
Ko ngā rahinga i ahu mai me ōna waeine ā-ao e whakaaturia ana mā te tau……
otinga
(1) Rōrahi: rahinga i ahu mai
(2) Te au hiko : te rahinga turanga
(3) Te kaha o te mārama: te rahinga taketake
(4) Ngaohiko hiko : rahinga i ahu mai
(5) Pēhanga : rahinga i ahu mai
Ko ngā rahinga i ahu mai me ō rātou waeine ā-ao e whakaaturia ana e ngā tau (1), (4), me (5)
1. Pātai: He aha te mea e wehewehe ai i tētahi rahinga i ahu mai i tētahi rahinga taketake, rahinga turanga rānei?
Whakautu: Ka hangaia he rahinga i ahu mai i te whakamahi i ngā huinga o ngā rahinga pūtake mā te whakarea, mā te wehewehe rānei, ko te rahinga pūtake ia he pūtake, ā, kāore e taea te ahu mai i ētahi atu rahinga.
2. Pātai: He aha te rahinga i ahu mai i te ine i roto i ngā Joules (J)?
Whakautu: Ka ine ngā joule i te pūngao, te mahi, te nui rānei o te wera.
3. Pātai: Me pēhea te whakaatu i te waeine i ahu mai i te tere mā roto i ngā waeine taketake?
Whakautu: Ko te tere, e inehia ana i roto i ngā mita ia hekona (m/s), ka ahu mai i te tawhiti (mita) i wehea ki te wā (hekona).
4. Pātai: Ko tēhea waeine i ahu mai e tohu ana i te rōrahi?
Whakautu: Ko te waeine i ahu mai mō te rōrahi ko te mita pūtoru (m³).
5. Pātai: He aha te ine o te auau, ā, he aha tōna hononga ki te wā?
Whakautu: Ko te ine mō te auautanga ko Hertz (Hz). E tohu ana i ngā huringa ia hekona, ā, ko te taurite o te wā.
6. Pātai: I roto i tēhea waeine ka inehia te kaha hiko?
Whakautu: Ka inehia te kaha hiko i roto i ngā Farads (F).
7. Pātai: He aha te rahinga i ahu mai e tohuhia ana e te waeine Pascal (Pa)?
Whakautu: Ko te Pascal (Pa) e tohu ana i te pēhanga, arā, te kaha mō ia wae horahanga.
8. Pātai: Me pēhea te whakaputa i te waeine mō te whakaterenga, mita ia hekona tapawhā (m/s²)?
Whakautu: Ko te whakaterenga te tere o te huringa o te tere. Nō reira, ka ahu mai i te wehewehe i te tere (m/s) mā te wā (s), ka hua ake ko m/s².
9. Pātai: He aha te rahinga i ahu mai i te Kelvin mō ia Watt (K/W) e whakaahuatia ana?
Whakautu: Ko te K/W e whakaahua ana i te ātete wera.
10. Pātai: Ko tēhea waeine i ahu mai e whakamahia ana hei ine i te rerenga aukume?
Whakautu: Ka inehia te rerenga aukume i roto i te Webers (Wb).
11. Pātai: He aha te hononga o te waeine i ahu mai ko Ohm (Ω) ki te iahiko hiko me te rerekētanga pūmanawa?
Whakautu: Ko te Ohm te waeine mō te ātete hiko. E tohu ana i te ātete i roto i te ara iahiko e puta ai he iahiko o te kotahi Ampere nā te rerekētanga pūmanawa o te kotahi Volt.
12. Pātai: Mō ngā waeine taketake, me pēhea te whakaputa i te Watt (W)?
Whakautu: Ko te Watt te tohu o te mana, arā, te pūngao mō ia wā. Ka ahu mai i te Joules (pūngao) wehea ki ngā hēkona (wā), ka hua ake ko kg x m²/s³.
13. Pātai: He aha te waeine i ahu mai i te inductance?
Whakautu: Ko te waeine i ahu mai mō te inductance ko Henry (H).
14. Pātai: He aha te hononga o te waeine i ahu mai i a Newton (N) ki te papatipu me te whakaterenga?
Whakautu: Ko te Newton te tohu o te kaha. Ka ahu mai i te papatipu (kirokaramu) kua whakareatia ki te whakaterenga (m/s²).
15. Pātai: He aha te ine a te waeine i ahu mai i a Candela (cd)?
Whakautu: Ka ine a Candela i te kaha o te māramatanga i tētahi ahunga kua whakaritea.
16. Pātai: Me pēhea te whakaputa i te waeine mō te nekehanga?
Whakautu: Ka ahu mai te nekehanga mā te whakarea i te papatipu (kg) ki te tere (m/s), ka hua ake ko kg xm/s.
17. Pātai: Ko tēhea waeine ine ka whakamahia e koe hei ine i te nui o te matū i roto i ngā mole mō ia rōrahi?
Whakautu: Ko te kukū o tētahi matū i roto i te wairewa ka inehia i roto i ngā mole mō ia mita pūtoru (mol/m³).
18. Pātai: He aha te waeine i ahu mai e whakamahia ana hei ine i te rerekētanga pūmanawa hiko?
Whakautu: Ka inehia te rerekētanga pūmanawa hiko i roto i ngā Volts (V).
19. Pātai: He aha te rahinga e tohuhia ana e te waeine i ahu mai i a Becquerel (Bq)?
Whakautu: Ko te Becquerel te tohu mō te irahiko. He ine tēnei mō te tere pirau o ngā rauemi irahiko, e tohu ana i te pirau kotahi ia hekona.
20. Pātai: He aha te rerekētanga o te waeine i ahu mai mō te taipana, te mita Newton (N·m), mai i te waeine mō te pūngao, Joule?
Whakautu: Ahakoa he ōrite ngā waeine taketake o ēnei e rua (kg x m²/s²), he rerekē ngā ariā ā-tinana e tohu ana i te N·m. Ko te N·m te tohu i te taipana, arā, te kaha hurihuri, ko te Joule ia te tohu i te pūngao, i te mahi rānei i mahia.
