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Brrunno [24]
3 years ago
14

Why does the speed of sound vary depending on the medium through which it travels. in general?

Physics
1 answer:
avanturin [10]3 years ago
4 0
Because it is how fast it goes and it depends on the speed
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How does the density of fluid affect the magnitude of buoyancy acting on an object immersed in it
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Answer:

Explanation:

more the density , more will be the buoyant force acting on it , less the density less will be the buoyant force acting on it. This is why people float in dead sea and sink in other seas

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A concert loudspeaker suspended high off the ground emits 28.0 W of sound power. A small microphone with a 0.700 cm2 area is 55.
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Explanation:

It is known that wave intensity is the power to area ratio.

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As it is given that power is 28.0 W and area is 7 \times 10^{-5} m^{2}.

Therefore, sound intensity will be calculated as follows.

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               = \frac{28.0 W}{4 \times 3.14 \times 7 \times 10^{-5} m^{2}}

                = 0.318 \times 10^{5} W/m^{2}

or,             = 3.18 \times 10^{4} W/m^{2}

Thus, we can conclude that sound intensity at the position of the microphone is 3.18 \times 10^{4} W/m^{2}.

7 0
3 years ago
Air flows upward in the wick of a lantern because of the liquid property called
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Adhesive is the force of attraction between molecules of different kind. Liquid flows upward the wick because the adhesive force between the wick and the liquid is higher than cohesive forces in the liquid.

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7 0
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When a wire is made thicker its resistance what?
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Making a wire thicker has the same effect as making a road wider. It makes it easier for the electron traffic to flow. The resistance decreases, and the current (traffic) increases.
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A thermos bottle works well because:
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A thermos bottle works well because:

A) Its glass walls are thin

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