Fundamental vibration correspond to middle
A steel wire in a piano has a length of 0.700 m and a mass of 4.300 * 10^-3 kg. to what tension must this wire be stretched in order that the fundamental vibration correspond to middle C (fc=261.6 Hz on the chromatic musical scale)?
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Assume a telephone ticket agent works 7.5 hours per day,Howmany award flights can one ticket agent be expected to handle aday? Dicuss why this information supported US Airways plans touse an online system to reduce costs.
Two speakers are placed side-by-side and are driven by the same frequency of 420. Hz. If the distance from a man to one speaker is 3.30 m and he detects little or no sound, what are the possible distances that he is from the other speaker? Take th
A sample of 250 observations is selected from a normal population for which the population standard deviation is known to be 24. The sample mean is 20.
What is the point estimate of the population mean? Determine a 98% confidence interval for the population mean.
You are watching a pier being constructed on the far shore of a saltwater inlet when a blasting occurs. You hear the sound in the water 4.5 s before it reaches you through the air. How wide is the inlet? (Assuming the air temperature is 20 degrees
List the sample space of this experiment. Define a random variable X to be the sum of the dice. Write down the probability mass function of X.
Find a symbolic expression for the ratio of the proton stopping potential and the electron stopping potential, ΔVp/ΔVe. The answer should be in terms of the proton mass mp and electron mass me.
A canal narrows at rapids from width of 12 m to width of 4 m. Depth of canal before rapids is 2.7m Depth in rapids is .85m Find speed of water flowing in rapids, given that its speed before rapids is 2.2 m/s Assume canal has rectangular cross sect
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Which of the following best describes the rationale of those public officials who are promoting the policy referenced in the title of the Texas Tribune article?
Problem: Political messaging and how a policy is framed to one's supporters and to the general public are important.
What are 2 or 3 advantages of conducting policy evaluations in criminal justice? What is the significance of policy research in policy evaluation?
What is society's goal for unions? To limit individual employees' bargaining power To ensure that workers have a voice in how they are treated
How can grassroots movements and community-led initiatives drive change in addressing environmental injustices, and what strategies have proven
The control model is based on strict authority and rigid rules. It emphasizes discipline, surveillance, and limited privileges for inmates.
Question: Which of the following statements illustrates the impact of the reform era (1900-1920) on US political parties?