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Question 1:
Describe you feel it would or would not be appropriate to use a dry chemical extinguishing system in a total flooding application for sensitive computer equipment.
Your response should be at least 300 words in length.
Question 2:
Describe how Halon (halogenated hydrocarbon) is harmful to the Earth's ozone layer and the possible extinguishing agents.
A rocket is launched from a 350 m high cliff at an angle of 25? with an initial velocity of 50 m/s. The rocket engine produces a constant horizontal acceleration of 5 m/s2. (g=9.8m/s2). Begin by drawing a diagram and determine:
Suppose you consume 2000 Cal of food per day. Note that a food Calorie, with capital C, is one kilocalorie: 1 Cal = 1 kcal. How many watts of heat and work can you do
A small but measurable current of 1.5 x 10-10 A exists in a copper wire whose diameter is 2.7 mm. The number of charge carriers per unit volume is 8.49 x 1028m-3. Assuming the current is uniform, Compute the (a) current density and (b) electron drift..
a 2 kg uniform flat disk is thrown into the air with a linear speed of 10 m/s. As it travel the diak spins at 3.0 rev/s. what is the magnitude of its angular momentum
A ball is thrown into the air from ground level. After a time t = 1.0 s, the ball has traveled to a position x1 = 29.0 m to the right of and y1 = 9.0 m up from where it was thrown, What was the y component of the initial velocity of the ball
A 16 cm x 16 cm square loop of wire lies in the xy-plane with its bottom edge on x-axis. The resistance of the loop is 0.490 ohms. A magnetic field parallel to the z-axis is given by B= 0.830 y^2 t, where B is in tesla, y in meters, and t in seconds...
If the 11th order bright fringe from the first light source coincides with the 14th order bright fringe from the second light source, what is the wavelength of the light coming from the second monochromatic light source?
A particle has a charge of +1.7 ?C and moves from point A to point B, a distance of 0.12 m. The particle experiences a constant electric force, and its motion is along the line of action of the force. The difference between the particle's electric..
The stretched length of a spring is 4.28 m. A ribbon is tied aroundthe spring at a point near its center. A pulse created at one endof the spring makes 13 back-and-forth trips along the spring in6.59 s. With what frequency does the ribbon go up and..
A certain freely falling object needs 1.75 s to travel the last 40.0 m before it hits the ground. From what height above the ground did it fall?
The electric field strength is 5*10^4 N/C inside a parallel-plate capacitor with a2.2mm spacing, What is the proton's speed when it reaches the negative plate
A charged particle moves 19 mm in electric field with magnitude of 242 N/C If electrical potential energy of moving charge decreases by 91.3 x 10^-19 J due to this motion what is the charge of this moving particle
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