The Kinematic Equations

Final Velocity equation Vx= Vx0+axt Displacement equation x=Vx0(t)+ ax(t)2 Timeless Equation Vx2=Vx02+2ax(x)

vx = final velocity (m/s) vx0 = initial velocity (m/s) ax= acceleration (m/s2) x = displacement (m) t=time (s)

4. At the scene of an accident, a police officer notices that the skid marks of a car are some distance D. If the typical deceleration of a car when skidding is a_x. What can the officer estimate for the original speed of the car? Find in terms of fundamental constants