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GaryK [48]
3 years ago
5

How will the speed of a sound wave change if the temperature of the medium rises?. . Select one of the options below as your ans

wer:. A.. The speed will increase.. B.. The speed will decrease.. . C.. The speed will not change.. . D.. The speed will initially increase and then return to its earlier value.
Physics
2 answers:
Stolb23 [73]3 years ago
5 0
The correct answer for this question is " A.. The speed will i<span>ncrease." The higher the temperature, the more energy it has, and making it to vibrate faster. Since it vibrates faster, then sound waves can travel at a higher speed. In other words, it will make the the speed to increase.</span>
Alex_Xolod [135]3 years ago
3 0
The speed will increase and this is the way the speed of a sound wave changes if the temperature of the medium rises. The correct option among all the options that are given in the question is the first option or option "A". I hope that this answer has come to your help.
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Daniddmelo says it right there, don't know why he got reported.

The potential energy (PE) is mass x height x gravity. So it would be 25 kg x 4  m x 9.8 = 980 joules. The child starts out with 980 joules of potential energy. The kinetic energy (KE) is (1/2) x mass x velocity squared. KE = (1/2) x 25 kg x 5 m/s2 = 312.5 joules. So he ends with 312.5 joules of kinetic energy. The Energy lost to friction =  PE - KE. 980- 312.5 = 667.5 joules of energy lost to friction.

Please don't just copy and paste, and thank you Dan cause you practically did it I just... elaborated more? I dunno. 

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Many people who reside in small towns enjoy the closeness of knowing their neighbors and the details of neighbors' lives. If a baby is born, a child is ill or a relative dies, people in small towns often want to know about it and be there for you. This can be an advantage, especially if you are lacking a family of your own or enjoy a great deal of socializing. However, if you would rather keep the details of your life to yourself and turn your nose up at idle gossip, small town living might not be for you.

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Recreation

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