4 Mienzaniso yekumhanya kwepakati nepakati uye kumhanya kwepakati
1. Mota inofamba yakananga kumabvazuva kwemamita zana mumasekonzi mana uye yozofamba yakananga kumadokero kwemamita makumi mashanu musekondi imwe chete. Sarudza kuti mota iri kufamba sei. kumhanya kwepakati dhani kumhanya kwepakati mobile.
Kukurukurirana
Kureba = mamita zana + mamita makumi mashanu = mamita zana nemakumi mashanu
Huwandu hwekutama = mamita zana - mamita makumi mashanu = mamita makumi mashanu uye divi rekutama riri kumabvazuva.
Nguva yese = masekondi mana + sekondi imwe = masekondi mashanu.
Avhareji yekumhanya = daro rese / nguva yese = mamita zana nemakumi mashanu / masekonzi mashanu = mamita makumi matatu pasekondi.
Avhareji yekumhanya = kufamba / nguva = mamita makumi mashanu / masekonzi mashanu = mamita gumi / sekondi.
2. Mudzidzi anofamba mamita mana kumabvazuva musekondi imwe chete obva atendeukira kuchamhembe kwemamita matatu musekondi imwe chete. Sarudza avhareji yekumhanya uye hukuru hwekumhanya kweavhareji.
Kukurukurirana
Nzira yekufamba iri kuchamhembe kwakadziva kumabvazuva (nzira yemuseve weorenji).
Nguva yose = sekondi imwe + sekondi imwe = masekonzi maviri.
Avhareji yekumhanya = daro rese / nguva yese = mamita manomwe / masekonzi maviri = mamita matatu nehafu/sekondi
Avhareji yekumhanya = kufamba / nguva yese = mamita mashanu / masekonzi maviri = mamita maviri nehafu / sekondi
3. Tarisa mufananidzo uri pazasi! Munhu ari kutenderera munda wakaita serectangular. Kureba = mamita makumi mashanu, upamhi = mamita makumi maviri. Mushure mekutenderera munda kaviri, munhu anodzokera panzvimbo yekutanga. Kana nguva iri pakati = masekondi zana, sarudza avhareji yekumhanya uye hukuru hweavhareji yekumhanya.
Kukurukurirana
Muganho wemunda = 2 (mamita makumi mashanu) + 2 (mamita makumi maviri) = mamita zana + mamita makumi mana = mamita zana nemakumi mana.
Munda wakakomberedzwa kaviri = 2 (mamita 140) = mamita 280.
Kureba = mamita mazana maviri nemakumi masere.
Mushure mekufamba-famba mumunda, munhu wacho akadzokera panzvimbo yake yekutanga nekuda kweizvozvo. kutama = 0 mamita.
Avhareji yekumhanya = daro / nguva = mamita 280 / masekondi 100 = mamita 2,8 / sekondi.
Avhareji yekumhanya = kufamba / nguva = 0 / 100 masekondi = 0.
4. Tafura iri pazasi inopa ruzivo nezverwendo rwechinhu kubva panzvimbo A kuenda kuF pamwe chete nenguva yakanyorwa.
Avhareji yekumhanya kwechinhu kubva paA kusvika paD ndeye…
A. -2,47m/s
B. -1,00 m/s
C. 1,00 m/s
D. 1,23 m/s
E. 2,47 m/s
Kukurukurirana
Nhambwe AB = 52-30 = mamita makumi maviri nemaviri
Kureba BC = 52-38 = mamita gumi nemana
Kureba CD = 38-0 = 38 mamita
Nhambwe yese = 22 + 14 + 38 = mamita makumi manomwe nemana
Nguva yose yasara = masekondi makumi matatu
Avhareji yekumhanya = mamita makumi manomwe nemana / masekondi makumi matatu = 2,47 m/s
Mhinduro chaiyo ndiE.
Mibvunzo pamusoro pekumhanya kweavhareji uye kumhanya kweavhareji
1. Mota inofamba yakananga kumabvazuva kwemamita zana mumasekonzi mana uye yozofamba yakananga kumadokero kwemamita makumi mashanu musekondi imwe chete. Sarudza kuti mota iri kufamba sei. kumhanya kwepakati dhani kumhanya kwepakati mobile.
2. Mudzidzi anofamba mamita mana kumabvazuva musekondi imwe chete obva atendeukira kuchamhembe kwemamita matatu musekondi imwe chete. Sarudza avhareji yekumhanya uye hukuru hwekumhanya kweavhareji.
3. Tarisa mufananidzo uri pazasi! Munhu ari kutenderera munda wakaita serectangular. Kureba = mamita zana, upamhi = mamita makumi mashanu. Mushure mekutenderera munda katatu, munhu anodzokera panzvimbo yekutanga. Kana nguva iri pakati = masekondi zana, sarudza avhareji yekumhanya uye hukuru hweavhareji yekumhanya.
[Chirungu: Avhareji yekumhanya uye avhareji yekumhanya - matambudziko nemhinduro ]
