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Yuliya22 [10]
2 years ago
12

Waves test please help!

Physics
1 answer:
Oliga [24]2 years ago
3 0

A combination of longitudinal and transverse. :) yw

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Which scientist first proposed physical laws to mathematically describe the effect of forces on the motions of bodies?
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Sir Issac Newton

Explanation:

These are the effects of gravity.

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Two bullets of the same size, mass and horizontal velocity are fired at identical blocks, only one is made of steel and the othe
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3 years ago
An organ pipe open at both ends has two successive harmonics with frequencies of 220 Hz and 240 Hz. What is the length of the pi
Harman [31]

Answer:

The  length is  l  =  8.6 \  m

Explanation:

From the question we are told that

   The frequencies of the two successive harmonics are f_1 =  220 \ Hz ,  f_2  =  240 \  Hz

   The speed of sound in the air is  v_s  =  343 \  m/s

Generally the frequency of a given harmonic is mathematically represented as

     f_n  =  \frac{n  v  }{2l}

Here  n defines  the position of the harmonics

Now since the position of both harmonic is not know but we know that they successive then we can represented them mathematically as

    220  =  \frac{n v}{2l}

and  

     240  =  \frac{(n+1) v}{2l}

So

   \frac{(n + 1 ) v}{2l} - \frac{n v}{2l}  =  240-220

=>  \frac{v}{2l}  =  20

=>   l  =  8.6 \  m

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3 years ago
A circuit is built based on the circuit diagram shown.
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The current in the 50 Ω resistor is A) 1.2 A

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