Determine the average angular acceleration of the wheel
Question: 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?
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A piano string is under a tension of T = 778N. When struck the wave has a period of t = 0.6ms and a wavelength of 0.77m. What is the linear density of the string?
If 600 j of heat are added to 50 g of water initially at 20 degrees C. How much energy is this in calories? What is the final temperature of the water?
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.
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?
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?
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