Titranje - ponavljanje gradiva
Quiz
•
Physics
•
11th Grade
•
Hard

Ana Uzelac
Used 3+ times
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Što od navedenog predstavlja harmonijski oscilator?
Tijelo na matematičkom njihalu u vakuumu
Tijelo na idealnoj opruzi u vodi
Tijelo na idealnoj opruzi u zraku
Tijelo na realnoj opruzi u vakuumu
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tijelo mase 0.5 kilograma pričvršćeno je za oprugu konstante 50 N /m. Ako tijelo titra harmonijski, izračunaj frekvenciju titranja.
100 Hz
1.26 Hz
0.5 Hz
25 Hz
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Što od navedenog predstavlja prisilno titranje?
Loptica koja pada u gravitacijskom polju Zemlje
Dijete koje ljuljamo na ljuljački
Tijelo na njihalu pod utjecajem sile teže
Tijelo koje harmonijski titra na opruzi pod utjecajem elastične sile
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Koja od formula jedina može vrijediti za energiju harmonijskog oscilatora?
E = -kx
E = (1/2)kx^2
E = kx^2
E = (1/2)kx^4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Graf elongacije harmonijskog oscilatora u ovisnosti o vremenu ima oblik:
parabole
pravca (konstanta)
sinusoide
eksponencijalne funkcije
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Graf kinetičke energije harmonijskog oscilatora u ovisnosti o elongaciji ima oblik:
parabole
pravca (konstante)
sinusoide
eksponencijalne funkcije
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Graf ukupne energije harmonijskog oscilatora u ovisnosti o elongaciji ima oblik
parabole
pravca (konstante)
kosog pravca
sinusoide
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