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Relative to waiting line models: a. What is meant by the terms single-channel system and multiple-channel system? If a crew offour workers operates as a team in servicing a customer, how many chan- nels does the system have? b. Contrast the terms service timeand service rate. Explain how one can convert from time to rate. Why is this important? c. Explain the terms calling population, infinite source, and finite source. d. How does the phrase first-come, first-served apply in waiting line? Which models described in the chapter assume this?
The pilot of an aircraft wishes to fly due west in a 34.60 km/h wind blowing toward the south. The speed of the aircraft in absence of a wind is 145 km/h.
A 10cm x 10cm x 10cm box contains 0.010 mol of nitrogen at 20 degrees Celsius. What is the rate of collisions (collisions/s) on one wall of the box
A rectangular coil of wire with an area of 0.218 m2 is situated in a constant magnetic field whose magnitude is 0.450 T, What is the flux through the surface
when a 2.75kg fan having blades 18.5 cm long is turned off, its angular speed decreases uniformly from 10 rad to 6.3 rad/s in 5 sec. Through what angle does it turn
A car travels a straight road at 120 km/h for 30 min. then at 90 km/h for 10 min. Find the average velocity and average speed for the entire trip
What is the magnitude of the external force essential to hold a 2 kg cart motionless at the top of a 2m high incline which is 30 degrees.
A step-down transformer is used for recharging the batteries of portable devices such as tape players. find the voltage supplied to a tape player from the transformer
Compute the thermal neutron diffusion coefficient characterizing water , graphite and natural uranium. Then compute the extrapolation length zo characterizing these material
A piano wire with mass 3.45g and length 85.0cm is stretched with a tension of 31.0N. Calculate the average power carried by the wave
A bowling ball (solid sphere mass=7.27 and radius=12.7cm) is rolling on level ground at a constant angular speed of 55rad/s. what is the total kinetic energy of the ball?
A railroad car of mass 3.4 x 104 kg moving at 4.00 m/s collides and couples with two coupled railroad cars, What is the speed of the three coupled cars after the collision
Draw the free-body diagram of the system and find the value of the force F acting on the piston C.
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