Biology, 04.03.2020 23:19 nehamaan503
Q11. Find out what the frequency of the musical note A4 is and report your finding here. What is the frequency of the musical note A3?
Q12. The speed of sound in air is about 343 m/s. Convert this into miles per hour and into kilometers per hour.
Q13. Calculate the wavelength of the musical note A4 using your answer from Q11 and a speed of sound in air of 343 m/s.
Q14. The length of a guitar's strings is 650 mm. What is therefore the wavelength of a wave on any of the strings if the string is free to move?
Q15. Using your answers from Q11 and Q14, calculate the wave speed on the A4 string of a guitar. What is the wave speed on the A3 string of a guitar?
Q16. You hear your brother playing the guitar in his room at the end of the hall way, 8 m away from you. How long does the sound take to travel from his guitar to your ear?
Q17. Does the amplitude of a wave change its frequency?
Answers: 1
Biology, 22.06.2019 00:10
Lymphatic vessels remove excess fluid from tissues. often after mammexront( the surgical procedure to remove of all or part of a breast) the lymphatic vessels draining the arm are damaged. explain a consequence of this damage. what can be done to reduce the symptoms?
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Biology, 22.06.2019 14:20
As scientists have investigated evolution from a variety of fields, they have found that some of darwin's orginal ideas were inaccurate or incomplete. t explanation provided by evolution was updated each time to reflect the new information they found. what does this suggest about the theory of evolution? it has become a stronger and clearer theory as new information is collected.
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Biology, 22.06.2019 14:30
The table above shows five different types of chromosomal abnormalities that can occur during meiosis. they result in either an individual having too many or too few chromosomes in their genome. what is the most likely cause of these chromosomal abnormalities?
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Biology, 22.06.2019 18:20
Which characteristics must an object possess in order to be considered alive?
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Q11. Find out what the frequency of the musical note A4 is and report your finding here. What is the...
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