Oscilații mecanice

Oscilații mecanice

11th Grade

12 Qs

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Oscilații mecanice

Oscilații mecanice

Assessment

Quiz

Physics

11th Grade

Practice Problem

Medium

Created by

Anca Busui

Used 9+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

La trecerea oscilatorului prin poziția de echilibru, elongația este nulă și viteza

nulă

maximă

minimă

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Două mișcări sunt în opoziție de fază dacă Δφ este:

(2k+1) π2\frac{\pi}{2}

(2k+1) π\pi

2k π\pi

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Energia totală a oscilatorului armonic ideal este:

kA22k\frac{A^2}{2}

kA2y22k\frac{A^2-y^2}{2}

ky22k\frac{y^2}{2}

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Ecuația mișcării oscilatorii a unui punct material este y=2sin(4t+   π2\frac{\pi}{2}   ) (m). Viteza lui maximă are valoarea:

8m/s

6m/s

4m/s

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Perioada oscilatorului liniar armonic reprezintă numărul de oscilații complete efectuate în unitatea de timp.

A

F

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Energia oscilatorului armonic liniar nu se conservă.

F

A

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Mișcarea efectuată de un corp de o parte și de alta a poziției de echilibru se numește mișcare oscilatorie.

F

A

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