Laʻana o nā nīnau hoʻololi anakahi mahana

5 mau laʻana o nā pilikia hoʻololi ʻāpana mahana

1. ʻO 122°F ke ana ʻia ʻana o ka mahana o kahi mea, ke ana ʻia ma ka unahi Celsius, ʻo ia hoʻi...

A. 323°C

B. 122°C

C. 50°C

D. 40°C

Pahana

ʻO ke ʻano hoʻololi o ka pālākiō mahana mai Fahrenheit a i Celsius:

T_C = 5/9 (T_F - 32)

Wehewehe: T_C = ka mahana ma ke ana wela Celsius, T_F = ka mahana ma ka unahi Fahrenheit

ʻO ke ʻano o ka mahana ma ke ana Celsius penei:

T_C = 5/9 (122 – 32) = T_C = 5/9 (90) = 5 (10)

T_C = 50 ^oC

ʻO C ka pane pololei.

2. Loaʻa i ke keiki ke kuni, i ke ana ʻia me ka ana wela me ʻelua unahi, ʻo ka helu i hōʻike ʻia ma ke unahi Celsius he 40°, a laila ʻo ka helu i hōʻike ʻia ma ke unahi Reamur he...

A. 31 °K

B. 32 °K

C. 45 °R

D. 50°R

Pahana

Ua ʻike ʻia:

Mahana ma ke ana Celsius (T ^oC) = 40

Ua nīnau ʻia: Mahana ma ka unahi Reamur (T ^oR)

Pane:

Ka mahana paila o ka wai maʻemaʻe (H₂ʻO) = 100 ^oC = 80 ^oR

ʻO ka mahana o ka wai maʻemaʻe (H₂ʻO) = 0 ^oC = 0 ^oR

ʻO ke kumu hoʻololi ʻana o ka pākēneka Celsius i Reamur:

T ^oR = (80/100) T ^oC

T ^oR = (4/5) T ^oC

T ^oR = (4/5) 40

T ^oR = (4)(8)

T ^oR = 32 ^oR

ʻO ka pane pololei ʻo B.

3. E nānā i ke kiʻi o ka ana wela ma ka ʻaoʻao! ʻO ka mahana Y ma ka unahi ana wela Celsius…

H. 172 ^oC
B. 108 ^oC
C. 60 ^oC
D. 44 ^oC

Pahana

Ua ʻike ʻia:
ʻO ka unahi Fahrenheit = 140 ^oF
Nīnau ʻia: Pālākiō Celsius
Pane:

ʻO ke ʻano hana no ka hoʻololi ʻana i ka pālākiō Fahrenheit i ka pālākiō Celsius:
T ^oC = 5/9 (T ^oF – 32)
Pālākiō Kelekia:
T ^oC = 5/9 (140 – 32)
T ^oC = 5/9 (108)
T ^oC = 540/9
T ^oC = 60
ʻO C ka pane pololei.

4.

E hoʻolohe i nā ana wela ma lalo nei! ʻO ka waiwai Y ma ka ana wela Fahrenheit…

H. 54 ^oF
B. 65 ^oF
C. 76 ^oF
D. 86 ^oF

Pahana
Ua ʻike ʻia:
Pālākiō Kelekia = 30 ^oC
Nīnau ʻia: Paʻi Fahrenheit
Pane:
ʻO ke ʻano hana no ka hoʻololi ʻana i ka pālākiō Celsius i ka pālākiō Fahrenheit:
T ^oF = (9/5)(T ^oC) + 32
Pākuhi Fahrenheit:
T ^oF = (9/5)(30) + 32
T ^oF = (270/5) + 32
T ^oF = 54 + 32
T ^oF=86
ʻO D ka pane pololei.

5. E nānā i ke kiʻi ana wela ma lalo nei! Hōʻike ka ana wela Fahrenheit i ka mahana….
H. 92 ^oF
B. 108 ^oF
C. 122 ^oF
D. 140 ^oF
Pahana
Ua ʻike ʻia:
Pālākiō Kelekia = 60 ^oC
Nīnau ʻia: Paʻi Fahrenheit
Pane:
ʻO ke ʻano hana no ka hoʻololi ʻana i ka pālākiō Celsius i ka pālākiō Fahrenheit:
T ^oF = (9/5)(T ^oC) + 32
Pākuhi Fahrenheit:
T ^oF = (9/5)(60) + 32
T ^oF = (9)(12) + 32
T ^oF = 108 + 32
T ^oF=140
ʻO D ka pane pololei.

Puna nīnau:

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