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irina [24]
3 years ago
8

Comparing sound waves with different frequencies and wavelengths traveling through air,

Physics
1 answer:
aleksklad [387]3 years ago
4 0

Explanation:

The speed of sound wave only depends on the property of the medium like density and the bulk modulus of the medium particle. The speed of sound also depends on the temperature of the medium.

On comparing sound waves with different frequencies and wavelengths traveling through air, the speed of the wave doesn’t depend on the frequency or the wavelength. Hence, the correct option is (1).

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Does space have plenty of oxygen ​
xz_007 [3.2K]

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I don't think so because we can't breathe in space

Explanation:

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3 years ago
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4 0
3 years ago
What is the acceleration of a wagon of mass 20kg if a horizontal force of 64 is applied to it
zlopas [31]

Here we have to calculate the acceleration of the wagon.

as per the question the mass of the wagon is given as 20 kg

the horizontal force that is applied on the body is 64 newton.

as the perfect unit of the fore is not mentioned it may be 64N or 64 dyne or 64 kgf.

as per Newton's second law of motion we know that the rate of change of momentum is the applied force.from the quantitative definition of Newton's second law we know that applied force is equal to the product of mass and acceleration.

hence F=mass *acceleration

 Acceleration=\frac{force\force}{mass}

let F= 64 N,then a=\frac{64N}{20kg}

                                   a=3.2 m/s^2

if F=64kgf=64×9.8 N,then a=\frac{64*9.8N}{20 kg}

                                                  =31.36 m/s^2

if F =64 dyne ,the acceleration is found to be 0.0032 cm/s^2 [ans]

6 0
4 years ago
An element's atomic number is 25. How many protons would an atom of this element have?
s344n2d4d5 [400]
An element's "Atomic number" IS the number of protons
in the nucleus of each atom of the element.

If an element's Atomic number is 25, then it must follow ...
as the night follows the day ... that each atom of this element
has 25 protons in its nucleus.  If it has a different number of
protons in its nucleus, then it's an atom of a different element.
7 0
3 years ago
When a bowling ball hits the ground the energy goes from
Tamiku [17]
I hope this helps you! The bowling ball would go from potential energy to kinetic energy.
5 0
4 years ago
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