The figure shows a graph of the position of a moving object as a function of time. What is the velocity of the object at t = 5.5 s? What is the average velocity of the object from t= 0 s to t = 4.0 s? What is the average velocity of the object from t= 0 s to t = 6.0 s?

In heavy rush-hour traffic, you drive in a straight line at 12 m/s for 1.5 minutes, then you have to stop for 3.5 minutes, and finally, you drive at 15 m/s for another 2.5 minutes. Plot a position-versus-time graph for this motion. Your plot should extend from t = 0 minutes to t = 7.5 minutes. Assume x=0 and t=0 at the start of your motion.

Position, Velocity, and Acceleration 1. A position-time graph for a particle moving along the x axis is shown in the figure. (a) Find the average velocity in the time interval t = 1.50 s to t = 4s (b) Find the average velocity in the time interval t = 1.00 s to t = 6.00s (c) Determine the instantaneous velocity at t = 2.00 s by measuring the slope of the tangent line shown in the graph. (d) At what value of t is the velocity zero x (m) -t (s) 5 -12 -10 -8 -6 4 2- 0. 9 3 6

An object travels 146 m due east when it turns around and returns to its starting position. The entire trip takes 69.0 seconds. a) What is the magnitude of the displacement of the object? 73.0 m 146 m 292 m 0 m b) What is the magnitude of the average velocity of the object? 2.12 m/s 0 m/s 1.06 m/s 4.23 m/s