Acar with a mass of 1.1 × 103 kilograms hits a stationary truck with a mass of 2.3 × 103 kilograms from the rear end. the initial velocity of the car is +22.0 meters/second. after the collision the velocity of the car is -11.0 meters/second. what is the velocity of the truck after this elastic collision?
a.+13 meters/second
b.+20 meters/second
c.+15.7 meters/second
d.+7.5 meters/second
e.+9.8 meters/second