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Find the wavelength of a train whistle heard by a fixed observer as the train moves toward the observer with a velocity of 40.0 m/s. A wind blows at 7.0 m/s from the observer to the train. The whistle has a natural frequency of 500.0 Hz.

1. A state criminal statute prohibits conduct in a public place that may “frighten others”. Three friends wearing masks are walking to a costume party when a citizen calls 911 to report them as possible bank robbers. At their trial for “frightening others”, the citizen testifies as to the fear she felt when she called […]

Deviations from the ideal gas law are greater at: A.high temperatures and low pressures. B.high temperatures and high pressures. C.low temperatures and high pressures. D.low temperatures and low pressures.

Are you able to answer the 4 questions attached. I need roughly a paragraph for each question (more is ok if needed). These are just discussion not an essay.For today, I need at least question 1 or 2 and question 3 or 4. Tomorrow the other 2 questions can be answered. We can adjust the […]

Components ;research the difference between the technical component and professional component

in 500 words Describe the major hormonal changes that occur during adolescence. Describe girls’ reactions to menarche and boys’ reactions to spermarche during puberty. What factors influence the way adolescents respond? Describe the impact of puberty on parent–c hild interaction and the adaptive value of this change in adolescents’ relationships with their parents.

If you purchased a lot for $10,000, paid $500 in taxes over a 5 year period and then sold it for $15,000, what is your ROI? What would your annual ROI be

Do people have the right to die? Explain why or why not using ethical reasoning and theory. In your response, address these points:In which situations would a person have the right to die?If people have the right to this, what burdens does this place on others?Are there any predictable negative results that would come if […]

An individual wishes to borrow $10,000 for a year and is offered the following alternatives: a. a 10 percent loan discounted in advance b. an 11 percent straight loan (i.e., interest paid at maturity). Which loan is more expensive?

natural resources and energy with special emphasis on forest ecosystem  and effects of growing human population on ecosystem ,….how to control the destruction of ecosystem and best strategies