<em><u>Answer:</u></em>
You can only hear it at night. The reason for this upward diversion of sound in the daytime versus the downward diversion at night is the strong dependency of the speed of sound in the atmosphere on temperature. The atmosphere acts like a lens that focuses sound energy upwards during the day, but keeps it at ground level during the night.
<em><u>Or</u></em>
<em><u>During the day, the sound bends away from the ground; during the night, it bends towards the ground. Hence at night you have additional "sound" reaching you, making it louder.</u></em><em><u> </u></em>
This is the Answer for your question :3
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Answer:
Explanation:
Inital KE = (1/2) m v^2 = (1/2) * 1500 * 50^2 = 1,875,000 J
Final KE = (1/2) * 1500 * 100^2 = 7,500,000 J
But ,
4 * 1875000 = 7500000
so the KE has increased by 4 times.
An explanation of sound<span> waves. The pitch of a </span>sound<span> is dictated by the frequency of the </span>sound<span> wave, while the loudness is dictated by the </span>amplitude<span>. When a drum is beaten, the air particles around the drum skin vibrate in the form of a compression wave</span>
Neither source is a renewable one.
