Assignment:
Question 1. A car has an average speed of 80.0 km/h for one hour, then an average speed of 90.0 km/h for two hours during a three-hour trip What was the average speed for the three-hour trip?
Question 2. What is the acceleration of a car that moves from a speed of 5.0 m/s to a speed of 15m/s during a time of 6.0 s?
Question 3. An archer shoots an arrow straight up with an initial velocity magnitude of 199.0 m/s. After 5.00 s, the velocity is 51.0 m/s. At what rate is the arrow decelerated?
Question 4. You drop a rock from a cliff, and 5.00 s later you see it hit the ground. How high is the cliff?