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Question 1: You have been assigned by the company officer to present a short class to the public on portable fire extinguishers and it is to be no more than 20 minutes. Explain the proper use and selection of a portable fire extinguisher, how extinguishers are rated, the different symbols on the extinguisher, and how to operate the extinguisher.
Your response should be at least 300 words in length
Question 2: Describe the inspection and testing for a multipurpose dry chemical portable fire extinguisher. Included in your submittal should be in inspection checklist that you have developed. Why is the hydrostatic test procedure so important for a fire extinguisher?
A cube of ice is taken from the freezer at -9.5°C and placed in a 105 g aluminum calorimeter filled with 323 g of water at room temperature of 20°C. What was the mass of the ice cube
A weightlifter has been given a barbell to lift. One end has a mass of 5.05 kg while the other end has a mass of 5.20 kg. The bar is 0.20 m long. (Consider the bar to be massless, and assume that the masses are thin disks, so that their centers of ma..
Two clocks are synchronized. One is placed in a race car that drives around a 2.0-km-diameter track at 130 m/s for 24 hours. by how much do the two clocks differ
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You place disk 1 at Z1 = 0mm and disk 2 at Z2= 32mm. The symmetry axis of each disk coincides with the z-axis. Using a small charged ball you discover that the electric force is equal to zero at Z=88mm. What is the charge on disk 2?
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A yo-yo is made of two solid cylindrical disks, each of mass 0.053kg and diameter 0.078m, Use conservation of energy to calculate the linear speed of the yo-yo when it reaches the end of its 1.1m long string if it is released from rest
A hair dryer has a power rating of 1400 W at 110 V rms. Assume the hair dryer circuit contains only resistance. What is the rms current drawn by the hair dryer
You are riding a train as it rounds a curve of radius 400 meter at a constant speed. Obtain what is the speed of the train
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