Koja slika točno opisuje odnos obodne brzine i centripetalne akceleracije?

Kružno gibanje_C

Quiz
•
Physics
•
9th Grade
•
Medium
A B
Used 3+ times
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13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A
B
C
D
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Motocikl se giba kružnom putanjom konstantnom brzinom. Ako se brzina motocikla smanji dva puta, centripetalna akceleracija će se:
povećati 2 puta
smanjiti 2 puta
povećati 4 puta
smanjiti 4 puta
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Koja je tvrdnja o kružnom gibanju točna?
Brzina u svakoj točki kružnice ima isti iznos i smjer.
Brzina u svakoj točki kružnice ima isti iznos, a mijenja se smjer.
Brzina u svakoj točki kružnice ima isti smjer, a mijenja se iznos.
Brzina u svakoj točki kružnice mijenja iznos i smjer.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Umnožak perioda i frekvencije uvijek je jednak 1.
Točno.
Netočno.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Period i frekvencija su proporcionalne veličine.
Točno.
Netočno.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mjerna jedinica za frekvenciju je:
s
m
m/s
Hz
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mjerna jedinica za obodnu brzinu je:
m/s
rad/s
s-1
m
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