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?
Now Priced at $5 (50% Discount)
Recommended (99%)
Rated (4.3/5)
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?
1932964
Questions Asked
3,689
Active Tutors
1418787
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
What are some real-world examples calling for practical guidelines for responsible AI implementation?
How do you articulate the upper and lower models in centric relation after the mouthguard has been formed? Explain why each step is important.
Present this benefit of walk to best post on Facebook to achieve more views for monetization: Walking offers numerous benefits for both physical and mental heal
Your experience highlights a crucial aspect of operational efficiency in healthcare which is the need to leverage technology to streamline processes
Please articulate models and make a maxillary clear resin splint with canine guidance and use ball attachments
A 60-year-old woman had an episode of chest pain radiating to her left arm, which was diagnosed as a myocardial infarction.
It made me realize just how many different companies are out there developing Electronic Health Record (EHR) systems, each with their own