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To demonstrate interference of sound waves, a buzzer is placed in the center of an empty mailing tube that is 0.80 m long. The sound waves emerge from the two ends of the tube in phase and interfere with each other in the region surrounding the tube. When you stand 4.0 m directly in front of the tube, equidistant from its two ends, you hear a loud sound. If you then move parallel to the tube a distance of 1.3 m, the sound nearly disappears,
(a) What's the wavelength of the buzzer's sound waves?
(b) What's the buzzer's frequency? (Assume the speed of sound in air is 340 m/s) Teacher gave answer a) .49m and b) 694Hz what are the steps?
What is a fitness function? Describe how you can use a fitness function to: 1) determine whether an allele is dominant, co-dominant, or recessive AND beneficial, deleterious, neutral, or experiencing some other form of selection, and 2) predict th..
Explain why it is acceptable to record positive test before the suggested incubation time is completed but it is not acceptable to record a negative result early.
Diagram the pairing behavior at meiosis prophase I of atranslocation heterozygote that has normal chromosomes of the gene order abcdefghij and mnopqrstuv and translocated chromosomes with the gene order abcdefgtuv andmnopqrshij. Assume that centro..
Biotechnology permits the use of living organisms or their processes for human needs or purposes. Currently, this topic includes such general examples as cloning,
The resulting indentation has a diameter = 3.2 Determine the Brinell hardiness number for the metal. If the specimen is steel, estimate the tensile strength of the steel.
What is an allele, What is the krebs cycle and where does it take place and what does it do, Give an overview of Evolution, Give an overview of mitosis
Use the internet to find one plant from each environment: Hydric, Mesic and Xeric. Answer/provide the following: common name, scientific name, sketch the plant, list of adaptations.
q. an antibiotic is a drug that kills or inhibits the growth of microorganisms. the use of antibiotics has been of
plan and design a experiment to show the effect of temperature on the rate of respiration.
Which of the following hormones icreases the blood glucoselevel? The reabsorption of bones is mediated mainly by
q1. 1 how does a new golgi cisterna form in the cis side from copii vesicles?2 what happens to trans-golgi network as
According to ABC model of floral development, which genes would be expressed in a showy ornamental flower with multiple sepals and petals but no stamens or carpels.
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