A car with a mass of 1060 kg and a speed of upsilon_1 = 16.0 m/s approaches an intersection, as shown in the figure. A 1270 kg minivan traveling at upsilon_2 is heading for the same intersection. The car and minivan collide and stick together. The direction of the wreckage after the collision is theta = 40.5 degree above the x axis. Find the initial speed of the minivan. assuming external forces can be ignored. Find the final speed of the wreckage.
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