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Car A is speeding in the positive x direction and is about to run through a red light and collide with car B ( heading in the positive y direction). At the time of collision va=vai m/s and vb=vbj m/s. Ma=1500 kg, Mb=2700 kg. They move together as a single body after collision and slide at an angle of 31 degrees for 9.4 m. The coefficient of friction between the cars and road is 0.85. Determine the speed of each car at the time of collision.
a frictionless piston cylinder device with a set of stops contains .5m3 of saturated h2o vapor at 200 kpa. at this
a normal shock wave exists in mach 2 stream of air having temperature and pressure of 45degf and 30 psia respectively.
an engineer designing a vibration isolation system for an instrument console models the console and isolation system as
an airplane has a rectangular-platform wing that has an elleiptical spanwise lift distribution. the airplane has a mass
a flow is described by velocity field where a 0.2 s-1 and b 0.4 ms2. at t 2 s what are the coordinates of particles
a gas stream produced as a by-product of a petroleum processing operation is to be used as a fuel in a small electric
a non-flow process is carried out adiabatically. what is the change in specific internal energy of the fluid if 55000
a projectile is fired at an angle of 62deg from the horizontal with a velocity of 704 ftsec. if it lands 4.75 seconds
a 60 g bullet moving with a speed of 500 ms strikes a 5 kg block moving in the same direction with a speed of 30 ms. if
Steam at 3 MPa,400 degree Celsius is expanded to 30 kPa, 92 percent isentropic efficency.The mass flow rate is 2 kg/s. Determine (a)the power output.
there is a bar leaning on a perfect half cylinder with radius r. the end of the bar touching the ground is pulled with
a 1m3 rigid tank initially contains 5kg of steam at 150degc. a relief valve on top of the tank is opened to allow steam
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