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The 200-kg boat is powered by the fan which develops a slipstream having a diameter of 0.75 m. If the fan ejects air with a speed of 14 m/s, measured relative to the boat, determine the initial acceleration of the boat if it is initially at rest. Assume that air has a constant density of pa = 1.22 kg/m3and that the entering air is essentially at rest. Neglect the drag resistance of the water.
harris fabrics computes its predetermined overhead rate annually onthe basis of direct labor hours. at the beginning of
suppose after charging a 4 microf capacitor to 9 v you connect it to the second uncharged capacitor of 11 microf. what
a 30 g bullet is fired with a horizontal velocity of 450 ms through 3-kg block b and becomes embedded in carrier c
suppose you were given the task of estimating the proportion of drivers in troy al who text while they drive. discuss
a 20 nc point charge is placed on the x axis at x 2.0 m and a -25 nc point charge is placed on the y axis at y - 3.0
timmy tee the new administrator for the surgical clinic was trying to figure out how to allocate his indirect expenses.
esther is a physician with her own practice. she has developed contracts with several large employers to perform
luthan company uses a predetermined overhead rate of 23.40 perdirect labor-hour. this predetermined rate was based on
the only information you have about a proposed site for a wind farm is that the wind blows at speeds above 25 ms 90 hrs
the following present value factors are provided for use in this problem present value present value of an periods of 1
a spherical buoy has a diameter of 1.5 mnbspweighs 8.50 kn and is anchored to the sea floornbspwith a cable as is shown
calculate: a) the overall train value. b) the output rational speed at shaft 5. c) the output torque at shaft 5. Relevant gear data is= NA= 17, NB= 36, NC= 19, ND= 41, worm E = double lead, worm G = triple lead, NH= 37?
The bent rod ABDE is supported by ball-and- socket joint at A and E and by the cable DF. If a 600-N load is applied at C as shown , determine the tension in the cable.
a household refrigerator that has a power input of 80w assume constant work input over time and a coefficient of
to place a communications satellite into a geosynchronous orbit at an altitude of 22240 mi above the surface of the
Consider the cylindrical weir of diameter 3 m and lenght 6m.if fluid on the left has specific gravity of 1.6,and on the right has a specific gravity of 0.8,find the magnitude and direction of the resultant force
as shown in the figure steam at 1200 psia 825degf enters a turbine operating at steady state with a volumetric flow
the system on site is a pressure sand filter with a service curve. the filter is backwashed using the feed pump at a
steam at 25 psia and 250degf is condensed at its saturation temperature. what is the temperature of the condensate? how
the stators in a gas turbine are designed to increase the kinetic energy of the gas passing though them adiabatically.
ammonia vapor flows through a valve. it enters the valve at a pressure of 8 bar and a temperature of 120c and after
An ideal vapor-compression refrigeration system operates at steady state with Refrigerant 134a as the working fluid. Superheated vapor enters the compressor at 30 lbf/in2, 20F, and saturated liquid leaves the condenser at 140 lbf/in2. The refriger..
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