Girl: Hey, so how much is the mass of this car? Phone: *Squeak Squeak* Girl: Okay, so it's 1,100 kg
Exactly, because if we calculate for the initial velocity of your car(car 1) 2674(16.307)-1110(vv2i) = (2674)(vf1)cos(0°)+(1110)(vf2)cos(98°) 2674(16.307)-1110(vv2i) = (1110)(vf2)sin(98°)
Based on conservation of momentum, it would appear that you were going much faster than I was. Momentum= mass*velocity before momentum = after momentum Since the after momentum is essentially to the right, we must conclude that car 2 was going very slowly compared to car 1.