fisiks

4 Mosebetsi oa inthanete Matla a khoheli Matla a kinetic - Mathata le Litharollo

1. Ntho e boima ba 5-kg bophahamong ba limithara tse 10 ka holimo ho mobu. Ho potlaka ka lebaka la matla a khoheli ke 10 m/s ^2. Mosebetsi o etsoang nthong eo ke ofe ho e isa holimo ho ea fihla bophahamong ba limithara tse 15 ka holimo ho mobu?

Tse tsejoang:

Boima ba ntho (m) = 5 kg

Bophahamo (h) = limithara tse 10

Ho potlaka ka lebaka la matla a khoheli (g) = 10 m/s ²

Ho Batloa: Ho entsoe mosebetsi nthong eo ho e isa holimo ho ea fihla bophahamong ba limithara tse 15 ka holim'a lefatše.

Bala haholoanyane

Motsotso oa matla - mathata le litharollo

1. Haeba F _R e le matla a net a F ₁ , F ₂ , le F ₃ , boholo ba matla F ₂ le x ke bofe?

Tse tsejoang:

Matla a letlooa (F)_R) = 40 N

Matla a 1 (F ₁ ) = 10 N

Matla (F ₃ ) = 20 N

Ho batloa: Boholo ba matla F ₂ le sebaka sa x

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14 Molao oa Boyle Molao oa Charles Molao oa Gay-Lussac – Mathata le Litharollo

1. Khatello ea moea ea thaere ea koloi ke 432 kPa ka mocheso oa 15 o ^C. Kamora lihora tse 'maloa, khatello ea moea ke 492 kPa. Haeba katoloso e hlokomolohuoa , mocheso oa moea ka har'a thaere ke ofe ?

Tse tsejoang:

Khatello ea pele (P ₁ ) = 432 kPa

Khatello ea ho qetela (P ₂ ) = 492 kPa

Mocheso oa pele (T ₁ ) = 15 ^o C

Ho batloa: Mocheso oa ho qetela (T ₂ )

Bala haholoanyane

Potoloho ea Carnot - mathata le litharollo

1. Haeba mocheso o monngoa ke enjene (Q ₁ ) = 10,000 Joules, mosebetsi o etsoang ke enjene ea Carnot ke ofe?

Tse tsejoang:

Mocheso o tlase (T ₂ ) = 400 K

Mocheso o phahameng (T ₁ ) = 800 K

Ho kenya mocheso (Q ₁ ) = 10,000 Joule

Ho batloa: Mosebetsi o entsoeng ke enjene ea Carnot (W)

tharollo:

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Chubu ea manometer - mathata le litharollo

1. Phaephe ya manometer e tletse mefuta e mmedi ya diedi. Boima ba mokelikeli 1 ke ρ ₁ = 0.8 g.cm ^-3 , mme boima ba mokelikeli 2 ke ρ ₂ = 1 g.cm ^-3 , mme bophahamo h ₁ = 10 cm, jwale bophahamo ba h ₂ ke bofe.

Tse tsejoang:

Botenya ba mokelikeli 1 = 0.8 g.cm ^-3

Botenya ba mokelikeli 2 = 1 g.cm ^-3

Bolelele 1 = 10 cm

Ho batloa: Bolelele ba 2

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Matla a mechini - mathata le litharollo

Molao-motheo oa matla a mosebetsi le mechine

1. Koefficient ea khohlano ea kinetic pakeng tsa block le floor (μ _{k ) ke 0.5.} Ho falla ha ntho (lintho) ke eng ? Ho potlaka ka lebaka la matla a khoheli ke 10 m/s ².

Tse tsejoang:

Koefficient ea moferefere oa kinetic (μ _k ) = 0.5

Boima ba boloko (m) = 4 kg

Ho potlaka ka lebaka la matla a khoheli (g) ke 10 m/s ²

Bala haholoanyane

Mocheso le mocheso - mathata le litharollo

1. Ho thermometer X, ntlha ea ho hoama ea metsi ho -30 ^oz le ntlha ea ho belisa ea metsi ho 90 ^oz . 60 ^oz X = ….. ^o C.

Tse tsejoang:

Sebaka sa ho hoama sa metsi = -30 ^o

Ntlha ea ho belisa ea metsi = 90 ^oz

Ho batloa: 60 ^o X = ….. ^o C

Tharollo:

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Litheleskoupo tsa linaleli - mathata le litharollo

1.

Ho latela kerafo e kaholimo, fumana hore na ho holisoa ha teleskopu ho tla ba joang ha leihlo le shebileng le phutholohile.

Bala haholoanyane

Thermodynamics - mathata le litharollo

Molao oa pele oa thermodynamics

1. Ho latela kerafo ea PV e ka tlase, karolelano ea mosebetsi o entsoeng ke khase ts'ebetsong ea I ke efe, ho mosebetsi o entsoeng ke khase ts'ebetsong ea II?

Tse tsejoang:

Mokhoa oa 1:

Khatello (P) = 20 N/m ²

Bophahamo ba pele (V ₁ ) = lilithara tse 10 = 10 dm ³ = 10 x 10 ^-3 m ³

Bala haholoanyane

Likhohlano - mathata le litharollo

1. Ntho A (3 kg) e tsamaya ka lebelo la 8 m/s mme ntho B (5 kg) e tsamaya ka lebelo la 4 m/s. Haeba ho thulana pakeng tsa dintho A le B ho tenyetseha ka ho phethahetseng, lebelo la dintho A le B ke lefe kamora ho thulana?

Tse tsejoang:

Boima ba ntho A (m ₁ ) = 3 kg

Boima ba ntho B (m2 ₎ = 5 kg

Lebelo la ntho A (v ₁ ) = 8 ms ^–1

Lebelo la ntho B (v ₂ ) = 4 ms ^–1

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