3. [214 Points] _ETA|LS _REVIOUS ANSWERS OSCOLPHY52016 7 2 P. 012. MY NOTES ASK YOUR TEACHER PRACTiCE ANOTHER (a) Caiculate the force[ [in N) needed to bring a 900 kg car to rest from a speed of 80 0 kmg'n In a distance of 125 m (a fairly typical distance for a non panic stop). my. (b) Suppose Instead the car hIts a concrete abutment at full speed and is brought to a stop in 2.00 m. Caicuiate the force exerted on the car and compare it with the force found In part (a) forcein [b 3 : 12.321 forcein (a) x