Physics: Two tuning forks are sounded at the same time. which tuning forks will give rise to a beat frequency of 30 hz when sounded together with a 270 hz tuning fork?

Two tuning forks are sounded at the same time. which

Ответ:

jljhenkel

16.01.2022

Physics

300 Hz and 240 Hz

Explanation:

Beat frequency formed by the tuning fork is given by :

$f_{beat}=f_1\pm f_2$

Here, the beat frequency, $f_{beat}=30\ Hz$

The frequency of a tuning fork, $f_2=270\ Hz$

If $f_{beat}=f_1+f_2$

$f_1=f_{beat}-f_2$

f_1=30-270

$f_1=240\ Hz$

If $f_{beat}=f_1-f_2$

$f_1=f_{beat}+f_2$

f_1=30+270

$f_1=300\ Hz$

So, the tuning forks will give rise to a beat frequency are 240 Hz and 300 Hz. Hence, this is the required solution.

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Ответ:

jamiahfernandes14

30.03.2023

Physics

Magnetic force obeys an inverse square law with distance. ... If the distance between two magnets is halved the magnetic force between them will increase to four times the initial value.

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Two tuning forks are sounded at the same time. which tuning forks will give rise to a beat frequency of 30 hz when sounded together with a 270 hz tuning fork?

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