You are driving your car, and the traffic light ahead turns red. You apply the brakes for 2.28 s, and the velocity of the car decreases to + 4.76 m/s. The car’s deceleration has a magnitude of 2.99 m/s2 during this time. What is the car’s displacement?

Answer 1

vf^2=vi^2+2ad

Sandra, you need to memorize all these basic kinematic equations. Make some flashcards.