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Because of surface tension, it is possible, with care, to support an object heavier than water on the water surface as shown in Fig. P7.18. (See Video V1.9.) The maximum thickness, h, of a square of material that can be supported is assumed to be a function of the length of the side of the square, , the density of the material, ρ, the acceleration of gravity, g, and the surface tension of the liquid, σ. Develop a suitable set of dimensionless parameters for this problem
If the worker wishes to slowly pull the object up the chute, explain how your answers to Part (a) change.
what is the rotation matrix for an object rotation of 30o around the z axis followed by 60o around the x axis and followed by a rotation of the y axis. all rotations are counter clockwise.
What would the annual savings be if the product were produced in the economic order quantity?
A Venturimeter of throat diameter 0.076m is fitted in a 0.152m diameter vertical pipe in which liquid of relative density 0.8 flows downwards. Taking the coefficient of the meter as 0.97 find the discharge when the pressure gauges read the same
a piston-cylinder device initially contains 0.4 m3of air at 100 kpaand 80degc. the air is now compressed to 0.1 m3in
at the beginning of the compression stage in an air-standard diesel cycle the conditions are p 200 kpa and t 380k. the
a gas is contained ina vertical, frictionless piston cylinder device.the piston has a mass of 4kg and a crossectional area of 35cm^2. a compressed spring is above the piston exerts a force of 60N on the piston .if the atmospheric pressure is 95kpa..
You are required to design a device for crushing aluminium cans. An example of a design is shown in Figure. Firstly, you are required to produce a product design specification. You then need to produce three possible concept design solutions to th..
air at one atmospheric pressure and at 20degc flows across a 12 mm diameter sphere witha free stream velocity of 5 ms.
1 demand for a particular product is normally distributed with a mean of 100 units and a standard deviation of 20 per
How may data be managed to support a function (billing, human resources, accounting, finance, sales/marketing, training)?
a particle of mass m kg carrying q coulombs enters the space between two charged plates with the horizontal velocity
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