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Vladimir [108]
3 years ago
12

Calculating heat gained or lost requires mass, specific heat , and

Physics
1 answer:
Leto [7]3 years ago
8 0
B. relative humidity
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CClassify each characteristic of sound waves.
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Explanation : Explain each characteristic of sound waves.

Intensity : the intensity of the sound wave is understand as the power carry by sound wave per unit area in the direction perpendicular to that area.

Loudness :  loudness is the quality of the loud and soft of the sound wave.

Frequency : Human normal hear sound frequency between 20 Hz to kHz.

Pitch : Pitch is the quality of low and high of sound wave . pitch relates to the frequency of the slowest vibration in the sound wave for simple sound.

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which has a greater speed a heron hat travels 600m in 60 seconds or a duck that travels 60 m in 5 seconds? Explain
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The duck at 12m/s has a greater speed than the heron which travels at 10m/s
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Which dog has the most kinetic energy
Blababa [14]
The formula to find the kinetic energy is:

Ek= 1/2 × m × v^2

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= 67.5 J

2.Ek= 1/2×8×4^2
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3.Ek= 1/2×12×5^2
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4.Ek= 1/2×10×6^2
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So the fourth dog has the most kinetic energy.
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