Utilization factor for system
At a local fast-food joint, cars arrive randomly at a rate of 12 every 30 minutes. It takes an average of 2 minutes to serve each arrival. The utilization factor for this system is:
Expected delivery within 24 Hours
Two infinite black plates of 600 and 100 degrees celcius exhange heat by radiation. Calculate the heat transfer rate per unit area. if another perfectly black plate is placed between the 600 and 100 degrees celcius plates, by how much is the heat
You're an engineer designing kitchen appliances, and you're working on a two-speed food blender, with 3700 rpm and 2200 rpm setting. Specs call for the blender to make no more than 60 revolutions while it's switching from high to low speed. If it
What is the probability of getting a license plate that has a repeated letter or digit if you live in a state in which license plates have one numeral followed by three letters followed by three numerals? (Round your answer to one decimal place(an
A 10 lb sphere 6 inches in diameter and a 10lb hoop 12 inches in diameter roll down a 30 degree slope, find the angular acceleration and the acceleration of the mass center for the 2, Find the angular velocity of the sphere and hoop after they have
A mass m is suspended from a spring of stiffness 4000N/m and is subjected to a harmonic force having amplitude of 100N and frequency 5 Hz.
A 1120 kg car experiences an impulse of 30,000.0 N · s during a collision with a wall. If the collision takes 0.43 s, what was the velocity of the car just before the collision?
An object weighs 275 N when fully immersed in water and 325 N when fully immersed in oil of specific gravity 0.9. Determine the volume of the object (in m3).
A small radiant heater has a metal strips 6 mm wide with a total length of 3 m. The surface emissivity of the strips is 0.85. To what temperature must the strips be heated if they are to dissipate 200 W of heat to a room at 25 degrees celcius?
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