How much power does the new set of headphones produce
A student exchanges the stock headphones (B1 = 89 dB) for her mp3 player for a new set that is louder (B2 = 94.5dB). If the first set produced a power of P = 0.5 W, how much power does the new set produce?
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A student hears a sound with an intensity of l = 16*10^-6 W/m^2. If the student hears a sound a 10 dB, what is the intensity of the sound?
Runcke Motor Company manufactures automobiles. During September 2011 the company purchased 5,000 head lamps at a cost of $9 per lamp. Runcke withdrew 4,650 lamps from the warehouse during the month.
A point on the rim of a 0.71-m-diameter grinding wheel changes speed at a constant rate from 11 m/s to 25 m/s in 7.3 s. What is the average angular acceleration of the wheel?
The company would like to maintain ending merchandise inventories equal to 70% of the next month's cost of goods sold. Payment for merchandise is made in the month following the purchase.
Describe the role of managerial accounting in your current or former place of business. If you have not been employed by a company that uses managerial accounting.
The armature of a simple ac generator has 30 circular loops of wire, each with a radius of 10 cm. It is rotated with a frequency of 60Hz in a uniform magnetic field of 700 mT. What is the maximum emf induced in the loops?
An observer that is standing 12m from a stereo sound speaker perceives the sound level from the speaker to be 60 dβ. How much further away from the speaker must the observer walk to hear a sound level of 50 dβ?
Antennas for radio transmission and reception are particularly effective if they're about a half-wavelength long. What's the appropriate length for an FM antenna, taking 98 MHz as a typical FM frequency?
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What is the proposed mechanism of action of the medication(s)? Why might this be appropriate for the patients?
What specific methods or tools will you use to gather objective data about the strengths and weaknesses of the Richmond West community
What are the personal and/or communal ethical factors that may be involved in determining the moral position of either side in that debate?
Watch the video clip below. Describe the social, political, cultural, and environmental factors influencing poverty.
SELECT ONE of the following topics, introduce your peers to the subject, and explain how the community health nurse can assist with risk reduction
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Community health nurses play an important role in risk reduction and providing care for victims of sexual abuse.