How many photons does the laser emit
The frequncy doubled output of a laser has a wavelength of 532nm. If each pulse of light has a total energy of 0.550J and the repetition rate of the laser is 30Hz, how many photons does the laser emit at 532 nm in 3 minutes?
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The height of a helicopter above the ground is given by h = 2.95t^3, where h is in meters and t is in seconds. At t = 2.50 s, the helicopter releases a small mailbag. How long after its release does the mailbag reach the ground?
Grodski Inc. produces and distributes fiber optic cable for use by tele-communications companies. Grodski Inc. issued $ 24,000,000 of 20- year, 10% bonds on April 1 at their face amount.
Physical units are 40,000. Total conversion costs are $237,000. There are 1,000 units in ending inventory which are 50% complete as to conversion costs. How much are conversion costs per unit?
Several months ago, Welker Chemical Company experienced a hazardous ma-terials spill at one of its plants. As a result, the Environmental Protection Agency ( EPA) fined the company $ 410,000.
Estimate the Safety Factor with respect to infinite fatigue life for (a) a torque fluctuating between 0 and 100 N.m, (b) a completely reversed torque of 50 N.m.
Give some examples of the applications of lasers in the medical field, industry, and in commerce?
LJB Company, a local distributor, has asked your accounting firm to evaluate their system of internal controls because they are planning to go public in the future.
During the past month, the company purchased 6,000 pounds of direct materials at a cost of $16,500. All of this material was used in the production of 1,400 units of product.
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