Question
In: Mechanical Engineering
A small water droplet
A small water droplet
Solutions
samet mamat answered 1 year agoRelated Solutions
A haze droplet is activated to form a cloud droplet when the ambient saturation ratio exceeds...
A haze droplet is activated to form a cloud droplet when the
ambient saturation ratio exceeds the critical value S* and the
droplet radius exceeds r*. At this point the original condensation
nucelous may be assumed to be completely dissolved in the droplet.
Prove that, for a given hygroscopic material and a fixed
temperature, the concentration of the solution when r = r* is
stronger for small condensation nuclei than for large ones.
Evaluate the concentration, in units of mass...
A haze droplet is activated to form a cloud droplet when the ambient saturation ratio exceeds...
A haze droplet is activated to form a cloud droplet
when the ambient saturation ratio exceeds the critical value S* and
the droplet radius exceeds r*. At this point the original
condensation nucelous may be assumed to be completely dissolved in
the droplet. Prove that, for a given hygroscopic material and a
fixed temperature, the concentration of the solution when r=r* is
stronger for small condensation nuclei than for large ones.
Evaluate the concentration, in units of mass of salt...
A 0.80-μm-diameter oil droplet is observed between two parallel electrodes spaced 11 mm apart. The droplet...
A 0.80-μm-diameter oil droplet is observed between two parallel
electrodes spaced 11 mm apart. The droplet hangs motionless if the
upper electrode is 26.6 V more positive than the lower electrode.
The density of the oil is 885kg/m3.
Part A
What is the droplet's mass? Express your answer to two
significant figures and include the appropriate units.
Part B
What is the droplet's charge?
Express your answer to two significant figures and include the
appropriate units.
Part C
Does the...
A small rock moves in water, and the force on it by the water is given...
A small rock moves in water, and the force on it by the water is
given by f=kv. The terminal speed of the rock is measured and found
to be 2.0m/s. The rock is projected upward at an inital speed of
6.0m/s. You can ignore the buoyancy force on the rock
a) in the absence of fluid resistance, how high will the rock
rise and how long will it take to reach this maximum height? I
managed this one. b)...
A small water pump is used for an irrigation project. The pump takes water in from...
A small water pump is used for an irrigation project. The pump
takes water in from a river at 10oC, 100 kPa at a mass
flow rate of 16.83 kg/s. The exit line enters a pipe that goes up
to an elevation 26.15 mm above the pump and river, where the water
runs into an open channel. Assume the process is adiabatic and that
the water stays at 10 oC. Find the required pump
work.
Forise Water Company drills small commercial water wells. The company is in the process of analyzing...
Forise Water Company drills small commercial water wells. The
company is in the process of analyzing the purchase of a new drill.
Information on the proposal is provided below.
Initial investment:
Asset $600,000
Working capital $ 120,000
Operations (per year for four years):
Cash receipts $450,000
Cash expenditures $ 190,000
Disinvestment:
Salvage value of drill (existing) $ 50,000
Discount rate 18%
What is the net present value of the investment? Assume there
is no recovery of working capital.
A small bucket of water with mass of 2.5 kg is tied to a string with...
A small bucket of water with mass of 2.5 kg is tied to a string
with a length 0.68 m, and swung in a vertical circle. The bucket
travels at a constant speed 5.8 m/s.
When the bucket is at the top of the circle, what is the tension
in the string? Report your answer in SI units, rounded to two
decimal places.
The small bubbles that form on the bottom of a water pot that is being heated...
The small bubbles that form on the bottom of a water pot that is
being heated (before boiling) are due to dissolved air coming out
of solution.
Part A
Use Henry's law and the solubilities given below to calculate
the total volume of nitrogen and oxygen gas that should bubble out
of 1.1 L of water upon warming from 25 ?C to 50 ?C. Assume that the
water is initially saturated with nitrogen and oxygen gas at 25 ?C
and...
A Bacon Factory is located in a small town. Also in the town is a Water...
A Bacon Factory is located in a small town. Also in the town is
a Water Park. The smell of the Bacon factory has adversely affected
the Water Park such that it has put in air cleaning equipment to
eradicate the odor created by the factory.
The cost function of the Bacon Factory is: CBF= B2 +
4B1/2 + (1 − x)2
where B denotes the quantity of bacon produced annually and x
denotes the quantity of pollutants that A...
A Bacon Factory is located in a small town. Also in the town is a Water...
A Bacon Factory is located in a small town. Also in the town is
a Water Park. The smell of the Bacon factory has adversely affected
the Water Park such that it has put in air cleaning equipment to
eradicate the odor created by the factory. Please show your
work..
The cost function of the Bacon Factory is:
CBF= B2 +
4B1/2 + (1 − x)2
where B denotes the quantity of bacon produced annually and x
denotes the...
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