Ijubane eliyindilinga kanye nejubane eliqondile - izinkinga nezixazululo

1. Ibhola ekugcineni kwentambo lijikeleza ngokulinganayo embuthanweni ovundlile werediyasi engamamitha ama-2 ngesivinini esingaguquki se-angular esingu-10 rad/s. Thola ubukhulu bejubane eliqondile lephuzu elitholakala:

(a) amamitha angu-0.5 ukusuka enkabeni

(b) Imitha eli-1 ukusuka enkabeni

(c) amamitha ama-2 ukusuka enkabeni

Kwaziwa:

Irediyasi (r) = 0.5 amamitha s, 1 imitha, 3 amamitha

Ijubane le-angular = ama-radians ayi-10 s /se cond

Okufunwayo: Ijubane eliqondile

Isixazululo:

v = r ω

v = ijubane eliqondile , r = irediyasi , ω = ijubane le-angular

(a) Ijubane eliqondile (v) lephuzu elitholakala ku-r = amamitha angu-0.5

v = r ω = (0.5 amamitha s )(10 rad/s) = 5 amamitha s /se cond

(b) Ijubane eliqondile (v) lephuzu elitholakala ku -r = imitha eli-1

v = r ω = (1 imitha)(10 rad/s) = 10 amamitha s /se cond

(c) Ijubane eliqondile (v) lephuzu elitholakala ku -r = 2 amamitha s

v = r ω = (2 amamitha s )(10 rad/s) = 20 amamitha s /se cond

2. Ama-blade ku-blender ajikeleza ngesivinini esingu-5000 rpm. Thola ubukhulu bejubane eliqondile:

(a) iphuzu elitholakala ngamasentimitha angu-5 ukusuka enkabeni

(b) iphuzu elitholakala ngamasentimitha ayi-10 ukusuka enkabeni

Kwaziwa:

Irediyasi (r) = 5 cm kanye no -10 cm

Ijubane le-angular (ω) = 5000 izinguquko / 60 imizuzwanaamasekhondi = 83.3 izinguquko / seisimo = (83.3)(6.28 ama-radian) / seisimo = i-radian eyi-523.3s / seisimo

Okufunwayo: Ubukhulu bejubane eliqondile

Isixazululo:

(a) Ubukhulu bejubane eliqondile lephuzu elitholakala ku-0.05 m ukusuka enkabeni

v = r ω = (0.05 m)( 523.3 rad/s) = 26 m/s

(b) Ubukhulu bejubane eliqondile lephuzu elitholakala ku-0,1 m ukusuka enkabeni

v = r ω = (0.1 m)( 523.3 rad/s) = 52 m/s

3. Iphuzu emphethweni wesondo elingamasentimitha angu-30 ku-radius, lizungeze indilinga ngesivinini esingaguquki esingamamitha ayi-10 ngomzuzwana.

Ubukhulu bejubane le-angular buyini?

Kwaziwa:

Irediyasi ( r) = 30 cm = 0.3 amamitha s

Ijubane eliqondile (v) = amamitha ayi-10 s /se cond

Okufunwayo: ijubane le-angular

Isixazululo:

ω = v / r = 10 / 0.3 = 33 ama-radians s /se cond

4. Imoto enamathayi angu-50 cm ububanzi ihamba amamitha ayi-10 ngomzuzwana owodwa . Iyini ijubane eliyindilinga?

Kwaziwa:

Irediyasi (r) = amamitha angu-0.25

Isivinini esiqondile sephuzu emaphethelweni amathayi (v) = amamitha ayi-10 s /se cond

Okufunwayo: Ijubane le-angular

Isixazululo:

ω = v / r = 10 / 0.25 = 40 ama-radians s /se cond

5. Ijubane eliyindilinga lesondo elingu-20 cm kuma-radians lingu-120 rpm. Lingakanani ibanga uma imoto ihamba ngemizuzwana eyi-10?

Kwaziwa:

Irediyasi (r) = 20 cm = 0.2 imitha s

Ijubane le-angular = 120 ukuvuselela / 60 seizimo = 2 ukuvuselela / seisimo = (2)(6.28) i-radians / seisimo = i-radian eyi-12.56s / seisimo

Okufunwayo: ibanga

Isixazululo:

Ijubane lomphetho wesondo:

v = r ω = (0.2 imitha s )(12.56 ama-radians s /se cond ) = 2.5 amamitha s /se cond

Imitha ye-2.5s / sei-cond isho iphuzu eliseceleni kokuhamba ngesondo Imitha ye-2.5s njalo ngomzuzwana owodwa. Ngemva 10izimo, iphuzu liyahamba Imitha ye-25s.

Ngakho ibanga lingamamitha angu-25 s.

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