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In previous units you were given a scenario and asked to demonstrate your knowledge of the concepts in this course and your ability to relate the concepts to practical situations. For your final Case Study you will need to locate your own fire and emergency services scenario and relate at least one of the Unit VIII concepts to a practical situation.
The scenario you choose to use will need to relate to one of the following:
FIR 2302, Principles of Fire and Emergency Services Safety and Survival 3
Your assignment should meet the following guidelines:
An air traffic controller has two aircraft on radar. The first is at an altitude of 0.5 km, a horizontal distance of 3 km measured along the ground to the point directly underneath the plane, and a bearing of 115° west of north.
The wing of an airplane has an average cross-sectional area of 13 m2 and experiences a lift force of 84,000 N. What is the average difference in the air pressure
A 28 Vpp square wave (50% of the time at +28 volts and 50% of the time at 0 volts) is connected to a 4 ohm speaker. Calculate the average power delivered to the speaker
One end of a uniform rod of length 4L and weight Fg is supported by a cable. Determine the minimum distance, x from the wall, at which an additional object of weight Fg can be hung without causing the rod to slip
A hand bicycle pump should compress air from atmospheric pressure to the pressure inside the tire (usually 5 or 6 atmospheres). Please estimate the temperature of the air as it enters the tire.
Describe the arrangment of circuit elements that is called a voltage divider and the relationship among the various potential differences for that arrangement.
A spacecraft is in orbit around a planet. The radius of the orbit is 3.2 times the radius of the planet (which is R = 71466 km). What is the period of the spacecraft's orbit
A proposed ocean thermal-energy conversion (OTEC) system is a heat engine that would operate between warm water (26°C) at the ocean's surface and cooler water (3°C) 1,652 meter below the surface
An alpha particle, the nucleus of a helium atom, has a mass of 6.7*10-27 kg and a charge of 3.2*10-19C. It floats at rest above a charged horizontal sheet with uniform charge density on its surface.
An archer puts a 0.33 kg arrow to the bowstring. An average force of 183 N is exerted to draw the string back 1.3 m. suppose that air resistance is negligible.
In 1960 a Tampa, Florida, mother reportedly raised one end of a car that had fallen onto her son when a jack failed. how much work did her force do on the car
An ac generator supplies a peak (not rms) voltage of 120.0 V at 60.0 Hz. It is connected in series with a 50.0-Ω resistor, What is the rms voltage of the generator
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