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Three children are standing on a 5×5-m raft. The weights of the children at Points A, B, and C are 375 N, 260 N, and 400 N, respectively. If a fourth child of weight 425 N climbs onto the raft, determine where she should stand if the other children remain in the positions shown and the line of action of the resultant of the four weights is to pass through the center of the raft.
the following table lists temperatures and specific volumes of ammonia vapor at two pressures p 50 psi
for the meter-in flow control valve system the following data are givendesired cylinder speed 10 inseccylinder piston
one pound-mass of water at 600f expands against a piston in a cylinder until it reaches an ambient pressure of 14.7psi
if the exit velocity needs to be 27 ms and the nozzle tip has a diameter of 0.48 mm what is the volumetric flow rate
water behind a dam enters an intake pipe at 24psia 5 fts flow through a turbine and exits 200ft below at 19psia 45 fts
a moving particle encounters an external electric field that decreases its kinetic energy from 8830 ev to 7750 ev as
a water pump increases water pressure from 10 psia to 50 psi. determine the power input required in hp to pump 1.2 ft3s
estimate the magnitude of the force in both lbf and n exerted by a seat belt on a 200 lb driver during a frontal
an ideal reheat rankine cycle with water as the working fluid operates the boiler at 15000 kpa the re-heater at 2000kpa
one litter of iodine vapour at 0.04 atm pressure and 150c is isothermally compressed. a. determine the nature of the
Calculate the pressure of 15.0g of methane gas in a 1.50L vessel at 45.0 degrees C using (a) the Ideal Gas Law and (b) the van der Walls equation using the following information about the constants, a and b: a = 2.253 and b = 0.04278.
Briefly explain the difference between fatigue striations and beachmarks in terms of both size and origin.
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