Isilinganiso sesivinini

Izinkinga nezixazululo ezi-3 mayelana ne-Speed ​​equation

1. Imoto iya eningizimu ibanga elingamamitha ayi-100 ngomzuzu owodwa bese ijika iye empumalanga ibanga elingamamitha ayi-120 ngemizuzu engu-0.5. Nquma isivinini esimaphakathi semoto.

Kwaziwa:

Ibanga eliphelele = amamitha ayi-100 + amamitha ayi-120 = amamitha angama-220

Isikhathi esiphelele = umzuzu o-1 + imizuzu engu-0.5 = imizuzu engu-1.5 = imizuzwana engu-90

Okufunayo: Ijubane elimaphakathi

Isixazululo:

Ifomula yesivinini

Isivinini esimaphakathi = ibanga eliphelele: isikhathi esiphelele = amamitha angu-220: imizuzwana engu-90 = amamitha angu-2.4/umzuzwana

2. Isikebhe esihamba emgqeni oqondile ibanga elingamamitha ayi-100 ngemva kwemizuzwana eyi-10. Singakanani isivinini esimaphakathi sesikebhe?

Kwaziwa:

Ibanga = amamitha ayi-100

Isikhathi = imizuzwana eyi-10

wayefuna: Ijubane elimaphakathi

Bhekafuthi  Thola umphumela wamavektha amabili usebenzisa i-Pythagorean theorem

Isixazululo:

Ifomula yesivinini

Isivinini esimaphakathi = amamitha ayi-100: imizuzwana eyi-10 = amamitha ayi-10 ngomzuzwana

3. Inhlayiya isuka endaweni ethi O iye endaweni ethi B ngemizuzwana emi-4 kanye nesuka ku-B iye ku-A ngemizuzwana engama-20. Nquma isivinini esimaphakathi sezinhlayiya.

Kuyaziwa:Isilinganiso sesivinini 1

Ibanga le-OB = amamitha angu-5

Ibanga le-BA = amamitha angu-8

Isikhathi se-OB = imizuzwana emi-4

Isikhathi se-BA = imizuzwana engama-20

Okufunayo: Isivinini esimaphakathi sezinhlayiya

Isixazululo:

Ifomula yesivinini

Isivinini esimaphakathi sezinhlayiya = ibanga eliphelele: isikhathi esiphelele = (5 + 8): (4 + 20) = 13: 24 = 0.54 amamitha/umzuzwana