For the flow of water (p=1000 kg/m³) through the control volume shown in Figure below, use R.T.T. inthe integral form with the parameter beta equal to the velocity to determine the momentum flowratesacross the vertical surfaces A-D and B-C.6 ft/s1 ft/s2 ftB1 ft5 ft2 ft/s1 ft/s2 ftIDLControl surface

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Answered: For the flow of water (p=1000 kg/m³)…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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The two ramps pictured here each have a region of length L with kinetic friction coefficient uk and are otherwise frictionless. Identical masses m start at identical heights up the ramps, with the same initial velocity down the ramp. How do their final speeds compare when they reach the far right-hand side? (The answer requested here is qualitative and does not require detailed calculation). L m m Vi #0 Vi O Mass is moving faster in #1 The masses are moving at the same speed. Mass is moving faster in #2 O There is not enough information to decide. L Mk#0 1 2 m m Vf,1 V₁,2
4.120 A rocket sled accelerates from rest on a level track with negligible air and rolling resistances. The initial mass of the sled is M, = 600 kk. The rocket initially contains 150 kk of fuel. The rocket motor kg burns fuel at constant rate m : 15 Exhaust gases leave the rocket nozzle uniformly and axially at S m Va = 2900 relative to the nozzle, and the pressure is atmospheric. Find the maximum speed reached S by the rocket sled. Calculate the maximum acceleration of the sled during the run.
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(3) V₁= 24 in Com 12 in www 12 in A₂ = TBD Block: W= 2.5 lb Spring: K= 6 lb/ft L = 12 in frictionless surface, and is attached to a A block is located on a attachment point O by a spring, at starting point A₁. Use the principal of conservation of total energy to find the speed V₂ of the block at ending point A₂. Be sure to justify the use of conservation of total energy. fixed a spring, as shown. The block is released at rest
When a valve is opened, a certain fluid flows through the choke duct or valve (see figure), according to the relationship: V= V (1 + x/L) i Determine a) If the flow is stationary or transient. b) The acceleration (ax) of the fluid applying Euler's approach. c) The position of the particle as a function of time at x = 0 and t = 0. d) Determine the acceleration of the particle as a function of time.
5- Water flows over a flat surface at 4 ft/s, as shown in Fig. 5 . A pump draws off water through a narrow slit at a vol- ume rate of 0.1 ft/s per foot length of the slit. Assume that the fluid is incompressible and inviscid and can be represented by the com- bination of a uniform flow and a sink. Locate the stagnation point on the wall (point A) and determine the equation for the stagnation streamline. How far above the surface, H, must the fluid be so that it does not get sucked into the slit? 4 ft/s 0.1 fts (per foot of length of slit)
In this question, assume the "additional displacement" is in the positive u direction. A mass weighing 16 lbs stretches a spring 8 inches. The mass is in a medium that exerts a viscous resistance of 1 lbs when the mass has a velocity of 2 ft/sec. Suppose the object is displaced an additional 5 inches and released. Find an equation for the object's displacement, u(t), in feet after t seconds. u(t) =
A scale model of a pump has been tested and the following results obtained. Impeller diameter (D) 110mm Power input (P) 2.5kW Speed (N) 1500 r.p.m. Flow (Q) 14.5 litres/sec Head (H) 17m Efficiency (E) 60% You are to determine the speed and size of a geometrically similar pump which would deliver a flow rate of 25 litres/sec against a 22m resistance head. Determine the power input required by this pump.
20
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