Which best explains why sound travels fastest through a solid? a. sound is a mechanical wave, so closer molecules in the medium cause energy to transfer faster. b. sound is a mechanical wave, so if the volume of the medium is greater, more energy is transferred. c. sound is an electromagnetic wave, so the medium does not affect the speed. d. sound is an electromagnetic wave, so a greater amplitude results in a greater speed.
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Physics, 22.06.2019 09:00
What changes occur in the brain during the teenage years? 25 points, someone me out!a.) thinking becomes slower as the brain grows larger. b.) connections between neurons become stronger and faster. c.) unused neurons fuse together to form larger, better functioning neurons. d.) more neurons are developed.
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Given the data calculated in parts a, b, c, and d, determine the initial rate for a reaction that starts with 0.85 m of reagent a and 0.70 m of reagents b and c?
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Farmer a has a deep well and needs a lot of water for her animals and crops. her neighbor, farmer b, has a shallower well. he needs less water than farmer a because his farm is smaller. in years of drought, sometimes farmer b can't get any water from his wells. what can farmer b do to decrease the likelihood of his well running dry?
Answers: 3
Which best explains why sound travels fastest through a solid? a. sound is a mechanical wave, so cl...
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