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Blababa [14]
3 years ago
5

How does resonance occur when you play a horn?

Physics
2 answers:
Marrrta [24]3 years ago
8 0
Sound waves come from mechanical vibrations in solids, liquids, and gases. ... When a sound or light wave strikes an object, it is already vibrating at some particular frequency. If that frequency happens to match the resonant frequency of the object it's hitting, then you'll get what's called resonance.
Oliga [24]3 years ago
3 0

Answer:

When the frequency being produced by the horn matches the natural frequency of the horn then resonance occurs.

Explanation:

Every object has its own frequency called natural frequency. When the sound being produced by an instrument matches the natural frequency of the instrument then acoustic resonance is achieved. Wine glasses breaking by the application of sound is an example of this phenomenon.

So, when the frequency being produced by the horn matches the natural frequency of the horn then resonance occurs.

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A 1200-kg station wagon is moving along a straight highway at Another car, with mass 1800 kg and speed has its center of mass 40
taurus [48]

Answer:

Center of mass lies 24 m in front of center of mass of second wagon.

Explanation:

Suppose A 1200 kg station wagon is moving along a straight highway at 12.0 m/s. Another car with mass 1800 kg and speed 20.0 m/s.

Given that,

Mass of first wagon = 1200 kg

Mass of second wagon = 180 kg

Distance = 40 m

We need to calculate the position of the center of mass of the system

Using formula of center mass

x_{cm}=\dfrac{m_{1}x_{1}+m_{2}x_{2}}{m_{1}+m_{2}}

x_{cm}=\dfrac{1200\times0+1800\times40}{1200+1800}

x_{cm}=24\ m

Hence, Center of mass lies 24 m in front of center of mass of second wagon.

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3 years ago
A bowling ball has an initial momentum of +30 kg m/s and hits a stationary bowling pin. After the collision, the bowling ball le
saw5 [17]

Answer:

Momentum of the bowling pin is 17kgm/s

Explanation:

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30= P(ball) + P(pin)

30=13+P(pin)

P(final of pin)=+13 kg m/s and P(final of ball)= 30-13=17kgm/s

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