How long mailbag reach the ground
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?
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Adcock Corp. had $500,000 net income in 2007. On January 1, 2007 there were 200,000 shares of common stock outstanding. On April 1, 20,000.
A student in a laboratory course on quality control methods measures the length of a bolt several times. When would it be reasonable to consider these measurement a random sample? What is the population?
A truck covers 42.0 m in 8.10 s while smoothly slowing down to final speed of 2.70 m/s. (a) Find its original speed. (b) Find its acceleration. (Indicate the direction of the acceleration with the sign of your answer.)
An employee earns $ 40 per hour and 1.75 times that rate for all hours in excess of 40 hours per week. Assume that the employee worked 60 hours during the week.
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.
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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