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A large street sign is oriented perpendicular to the wind and subject to a drag force. The average pressure on the upwind side of the sign is 0.8 times the stagnation pressure. The pressure on the back side is negative; its magnitude is 0.5 times the (negative) stagnation pressure on the back side.Determine the drag coefficient for the sign type
Vehicles arrive at a toll booth with a mean arrival rate of 2 veh/min (the time between arrivals is exponentially distributed). The toll booth operator processes vehicles (collects tolls) at a uniform deterministic rate of one every 20 seconds. Wh..
Discuss the following examples: a) Car overheating b) Personal budget deficit c) Shower too hot or too cold In all the cases discuss first the normal condition and after that the problem condition.
Two types of Classifiers mostly used in Data mining. Other than Naive Bayes and decision trees, pick two other types of classifiers and discuss how they work
Water in a household plumbing system originates at the neighborhood water main where the pressure is 480kPa, the velocity is 5m/s, and the elevation is 2.44 m. A 19 mm (3/4-in) copper service line supplies water to a two-story residence
A cylindrical water tank is suspended vertically by its sides. The tank has a 10-ft diameter and is filled with 20 degree celcius water to a 3-ft depth. Determine the force exerted on the tank bottom
Two transmission belts pass over sheaves welded to an axle supported by a thrust bearing at B and a journal bearing at D. The sheaves A has a radius of 50mm, and the sheave at C has a radius of 40mm.
The coefficient of friction between the crate and the floor is µs = 0.4 and µk = 0.3. If P is slowly increased until the crate starts to move and then remains constant, determine using energy methods the speed of the crate after moving 2 m.
A company that manufactures regenerative thermal oxidizers made an investment 10 years ago that is now worth $1,300,000.
A particularly long traffic light at an intersection is green 20% of the time. A car approaches this intersection once each day. Let X represent the number of days the car encounters a green light.
determine the correspondig angular acceleration alpha of the beam, the acceleration of C, and the distance b from B to a point P on the beam centerline which has no acceleration
The spillway for a dam is 20 m wide and is designed to carry 125 m3/s at flood stage. A 1:15 ratio model is constructed to study the flow characteristics through the spillway. The effects of surface tension and viscosity can be neglected.
Find the length of the studs in a rake wall with a 5:12 pitch, a half span of 9'4", 16" OC and a base height of 7'3".
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