Mexanik tebranishlar va toʻlqinlar

Question 1

Suv sirtidagi to‘lqinning 1- va 3-do‘ngliklari orasidagi masofa 20 cm, uning tarqalish tezligi 0,1 m/s ga teng. To‘lqinning tebranish davrini (s) toping.

Accepted Answer

1

Answer

1,2

Answer

0,2

Answer

0,5

Question 2

Prujinali mayatnikning tebranish amplitudasi 1,1 marta ortsa, tebranish chastotasi qanday o‘zgaradi?

Accepted Answer

o‘zgarmaydi

Answer

1,1 marta ortadi

Answer

1,1 marta kamayadi

Answer

1,21 marta kamayadi

Question 3

Moddiy nuqta $x=A\sin\omega t$ qonuniyat bo‘yicha garmonik tebranmoqda. Uning maksimal tezligini toping.

Accepted Answer

$A\omega$

Answer

$A^2\omega$

Answer

$A\omega^2$

Answer

$\frac{A}{\omega}$

Question 4

Prujinaga osilgan jismning koordinatasi $x=A\sin\omega t$ qonun bo‘yicha o‘zgarmoqda, bunda $A=12$ cm, $\omega=24$ rad/s. Tebranish chastotasi (Hz) nimaga teng? $\pi=3$.

Accepted Answer

4

Answer

2

Answer

1/4

Answer

1/2

Question 5

Moddiy nuqta $x=A\sin(\pi t/8+\pi/2)$ qonun bo‘yicha tebranmoqda. Vaqt o‘lchovi $t=0$ dan boshlansa, qanday $t$ vaqtda (s) moddiy nuqta bosgan yo‘l $1{,}5A$ ga yetadi?

Accepted Answer

$16/3$

Answer

$23/3$

Answer

5

Answer

$20/3$

Question 6

Prujinaga osilgan yuk 5 cm amplituda va 2 s davr bilan garmonik tebranmoqda. Yukning 10 s da bosib o‘tgan yo‘lini (m) toping.

Accepted Answer

1

Answer

0,75

Answer

0,5

Answer

0,2

Mexanik tebranishlar va toʻlqinlar

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