How fast was the train moving
Question: The frequency of a steam train whistle as it approaches you is 538Hz. After it passes you, its frequency is 486Hz. How fast was the train moving? (please show work for credit)
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A simple pendulum is swinging back and forth through a small angle, its motion repeating every 1.33 s. How much longer should the pendulum be made in order to increase its period by 0.29 s?
Glaser Health Products of Ranier Falls, Georgia, is organized functionally into three divisions: Operations, Sales, and Administrative. Purchasing, receiving, materials and production control, manufacturing, factory personnel, inventory stores.
A horizontal power line of length 40 m carries a current of 2.7 kA as shown in the figure below. Earth's magnetic field at this location has a magnitude equal to 5.0 x 10-5 T and makes an angle of 65° with the power line. Find the magnitude and
Wenner Furnace Corp. purchased machinery for $421,290 on May 1, 2012. It is estimated that it will have a useful life of 10 years, salvage value of $22,650, production of 362,400 units, and working hours of 25,000.
The frequency of a steam train whistle as it approaches you is 538Hz. After it passes you, its frequency is 486Hz. How fast was the train moving? (please show work for credit)
Puthina Unge bought a new Compaq computer system on sale for $1,800. What was the original price of the computer? Round to the nearest dollar.
A proton has a speed of 3.0 x 106 m/s in a direction perpendicular to a uniform magnetic field, and the proton moves in a circle of radius 0.20 m. What is the magnitude of the magnetic field?
A local Dunkin' Donuts shop reported that its sales have increased exactly 22% per year for the last 2 years. This year's sales were $82,500. What were Dunkin' Donuts sales 2 years ago?
Company A subsequently sold another 3,000 shares of its stock at $50 per share. Company A used the $150,000 proceeds to acquire 10% of the outstanding voting stock of Company S held by the NCI.
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