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Calculating the mass flow rate of the water discharged from a pipe. A pipe with a 2m diameter carries water having a velocity of 4 m/s. What is the mass flow rate of the water in kg/s at following temperatures?
a. 0°Cb. 30°C
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Blood is flowing through an artery of radius 4 mm at a rate of 35 cm/s. Determine the flow rate and the volume that passes through the artery in a period of 40 s. flow rate = cm3/s volume = cm3 Please help answer qu ...
A juniper-wood plank measuring 0.32 ft by 1 ft by 12 ft is totally submerged in water. (a) What is its weight? (b) What is the buoyant force acting on it? (c) What is the size and the direction of the net force on it?
Can a finite set of 2N distinct points in a two-dimensional space be split in half by a straight line • if the points are in general position? • if the points are not in general position? Can 2N points in a K dimensional ...
In a game, two coins are tossed. If either of the coins comes up heads, you have won a prize. To claim the prize, you must point to one of your coins that is a head and say ‘look, that coin's a head, I've won'. You watch ...
It has been generally known to Si technologists (such as the CCD or Charge Coupled Device and high efficiency solar cell engineers) that iron impurity is a rather nuisance recombination center because it is highly unstab ...
The indium acceptor in Si, (E T -E v )-270mV, was used as 4-micron infrared detector in satellite and space-craft applications since there is a atmospheric absorption window around this wavelength. The absorption cross s ...
A student on a piano stool rotates freely with an angular speed of 2.91 rev/s. The student holds a 1.45-kg mass in each outstretched arm, 0.791 m from the axis of rotation. The combined moment of inertia of the student a ...
Markov chain Monte Carlo methods do not compute partition functions Z, yet they allow ratios of quantities like Z to be estimated. For example, consider a random-walk Metropolis algorithm in a state space where the energ ...
Find the impurity concentrations necessary to dope the polysilicon gate so that the surface is flat-banded. V S =0, intrinsic, V S =V F , and at the threshold, V S =2V F . The last is known as the zero threshold device b ...
Ozone, O 3 , dissolved in water is used in many wastewater treatment applications. Pure 100% ozone gas at 1.0 atm and 20°C is continuously bubbled into atank of liquid water. The rising bubbles keeps the liquid well mixe ...
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