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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 600g model rocket is on a cart that is rolling to the right at a speed of 4.5m/s. At what horizontal distance left of the loop should you launch
If someone wanted to build a scale model of the atom with a nucleus 90.0 cm in diameter, how far away would the nearest electron need to be?
In a classic model, the electron of a hydrogen atom circles the proton at a radius of 1.3225x 10-9 m when it is in the n=5 state. What is its electric potential energy?
This process is called regelation. Explain how this happens by inferring how the freezing point of water depends on pressure.
Assume Fuzzy, a quantum-mechanical duck, lives in a world in which h = 2πJ·s. Fuzzy has amass of 1.75 kg and is initially known to be within a pond 1.00 m wide.
The switch in given Figure has been in position A for a long time and is moved to position B at t = 0.- The switch suddenly returns to position A after 10 ms. Find vC(t) fort ≥ 0 and sketch its waveform.
A spacecraft flies in the horizontal direction at a speed of v=0.980c, What is the slope angle to an astronaut on the spacecraft
A ball is thrown upward with an initial velocity of 96 ft/secfrom the top of a 100 ft building. What equation models the height of the ball as a functionof the time t? When will the ball attain its maximum height?
The cord between the pouch and the person's hand has negligible mass and will break when the tension in the cord is 33.0 N or more. Assume the sling thrower could gradually increase the speed of the stone.
How fast should the platform move, v_p, for the person to detect a beat frequency of 7.00 Hz ? Take the speed of sound to be 344 m/s. Express your answer numerically in meters per second.
A proposed space station includes living quarters in a circular ring 54.5 m in diameter. Atwhat angular speed should the ring rotate so the occupants feelthat they have the same weight as they do on Earth?
A 0.400 glider is moving to the right on a frictionless, horizontal air track with a speed of 0.750 when it makes a head-on collision with a stationary 0.150 glider. Find the final kinetic energy of second glider
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