Physics, 24.07.2019 06:30, mommy4life678
The highest frequency humans can hear is about 20,000 hz. what is the wavelength of sound in room temperature air at this frequency? what is the wavelength of the lowest sounds we can hear, about 20 hz?
Answers: 1
Physics, 21.06.2019 21:30, spycn7717
Apendulum has a mass of 1.5 kg and starts at a height of 0.4 m. if it is released from rest, how fast is it going when it reaches the lowest point of its path? acceleration due to gravity is g = 9.8 m/s2. a. 2.8 m/s b. 0 m/s c. 5.9 m/s d. 4.3 m/s
Answers: 1
Physics, 22.06.2019 01:00, jayycruz59
An object is 10. cm from the mirror, its height is 3.0 cm, and the focal length is 2.0 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1.33 -1.33 +0.75 -0.75
Answers: 2
Physics, 22.06.2019 07:00, gracie18383
We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation
Answers: 3
The highest frequency humans can hear is about 20,000 hz. what is the wavelength of sound in room te...
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