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A moderate t2 fire breaks out in a 10 feet wide, 12 feet long, and 9 feet high room lined with ¾" gypsum wallboard. The 3 feet wide and 7 feet high door into the room is wide open. Determine the minimum heat release rate needed to cause flashover and the corresponding time after ignition to reach flashover using (a) Thomas Method, (b) Babrauskas Method, and (c) MQH Method. How do you explain the different heat release rates and times to flashover between the methods?
Your answer should show six calculations and your answers must include the proper units.
A 4.4kg ball with a velocity of 5.0m/s in the+x-direction collides head-on elastically with a stationary 2.5kg ball. What is the speed of the second ball after the collision
A 1250 kg car is moving at 12.3 m/s. Then, 243 kJ of work is done on the car to increase its speed. What will be the car's new speed
A gamma-ray photon produces an electron-positron pair, each with a kinetic energy of 230keV. What was the energy of the photon
Assuming the Earth's magnetic field averages about 0.50*10^-4 T near the surface of the Earth, estimate the total energy stored in this field
A power plant taps steam superheated with geothermal energy to 540 K (the temperature of the hot reservoir) and utilizes the steam to do work in turning the turbine of an electric generator.
A 1000kg car moving 40m/s skids to a stop. During the skid, the only force is the frictional force between the tires and the road, which is 6000N. find the distance the car moves before coming to a stop
An object rotates about a fixed axis, and the angular position of a reference line on the object is given by ? = 0.60e8t, what are the magnitudes of the point's
A car at the Indianapolis-500 accelerates uniformly from the pit area, going from rest to 285 km/h in a semicircular arc with a radius of 190 m. Determine the tangential acceleration of the car
Given that the rotational constant of HF is 20.5cm-1, calculate the bond length of HF molecule
question1a guitar string is 90 long and has the mass of 3.4. the distance from a bridge to the support post is and
An initially stationary 2.1 kg object accelerates horizontally and uniformly to a speed of 13 m/s in 3.0 s. What is the instantaneous power due to that force
q1. suppose a uniformly charged with a linear charge density wire starts at point 0 and rises vertically along the
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