(Solved): 7 please help Two cars collide at an intersection. Car A, with a mass of 1900kg, is going from wes ...

Two cars collide at an intersection. Car $A$, with a mass of $1900\mathrm{kg}$, is going from west to east, while car $B$, of mass $1300\mathrm{kg}$, is going from north to south at $16\mathrm{m}/\mathrm{s}$. As a result of this collision, the two cars become enmeshed and move as one afterward. In your role as an expert witness, you inspect the scene and determine that, after the collision, the enmeshed cars moved at an angle of $65^{?}$ south of east from the point of impact. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Collision analysis, continued. How fast were the enmeshed cars moving just after the collision? Express your answer in meters per second. Part B How fast was car $A$ going just before the collision? Express your answer in meters per second.