Neka je kretanje automobila ravnomjerno pravolinijski (bez promjene brzine). Koliko vremena putuje ovaj automobil do svog odredišta udaljenog 60 km, ako vozi brzinom od 60 km/h?

Prva Školska Pismena Zadaća I

Quiz
•
Physics
•
8th Grade
•
Medium
Muhamed Duhandzic
Used 22+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
2000 s
45 minuta
1 sat
1800 s
2.
MULTIPLE SELECT QUESTION
15 mins • 1 pt
Koliko je ubrzanje kamiona (u jedinicama m/s2) koji treba 10 sekundi da postigne brzinu od 60 km/h ako je prethodno imao brzinu od 24 km/h?
1
0
2
0,5
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Koliko tijelo koje je prethodno mirovalo, pređe za 15 s pri ubrzanju od 4 m/s2?
450 m
600 m
800 m
200 m
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Pri sili od 200 N tijelo ubrzava 10 m/s2. Kolika je masa tog tijela?
5 kg
20 kg
200 g
2 kg
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Kolika je ukupna sila na tijelo koje ubrzava silom od 200 N, ali uz suprotno od smjera kretanja usmjerenu silu od 40 N usljed trenja sa podlogom?
190 N
250 N
160 N
50 N
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Prilikom potezanja konopca, jedna strana (lijeva) vuče silom od 350 N, a druga (desna) silom od 250 N. Ako uzmemo da je masa koju vuku jednaka 20 kg, koliko je ubrzanje sistema i na koju stranu?
5 m/s2 na lijevu stranu
10 m/s2 na lijevu stranu
10 m/s2 na desnu stranu
5 m/s2 na desnu stranu
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Koliko vremena tijelo putuje pri slobodnom padu, ako je bačeno sa visine od 4,905 metara? Ubrzanje Zemljine teže je 9,81 m/s2.
0,5 s
1 s
1,5 s
2 s
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