The document contains questions about one and two dimensional motion, including graphs of position, velocity, and acceleration over time. It also includes vector problems calculating resultant displacement and velocity when combining motions like walking and river currents.

1. The Moment of Truth One & Two Dimensional Motion Physics Semester I 2008-2009 Mrs. Kuzara

2. Motion in One Dimension What does constant velocity look like on a position vs. time graph? What does constant velocity look like on a velocity vs. time graph? What does increasing velocity look like on a position vs. time graph? What does increasing velocity look like on a velocity vs. time graph?

3. One Dimensional Motion What does constant velocity look like on an acceleration vs. time graph? Describe the motion for each: velocity + acceleration + velocity + acceleration – velocity - acceleration + velocity - acceleration -

4. One Dimensional Motion Draw the v vs. t graph for the following:

5. One Dimensional Motion Draw the x vs. t graph for the following:

6. One Dimensional Motion What is the difference between finding instantaneous velocity on an x vs. t graph, and on a v vs. t graph?

7. Two Dimensional Motion What are the two parts to a vector measurement?

8. Two Dimensional Motion List all of the scalar units of measurement that you can think of time, speed, distance, mass, density, volume, work List all of the vector units of measurement that you can think of velocity, displacement, acceleration, force

9. Two Dimensional Motion While following the directions on a treasure map, a pirate walks 45.0m north, then turns and walks 17.5m east. What single straight-line displacement could the pirate have taken to reach the treasure? 48.3m 21.3° E of N

10. Two Dimensional Motion What is x net ? x 1 = 5km Right x 2 = 20km Left 15km left What is vnet? v 1 = 10km/h South v 2 = 15km/h West 18km/h 34° S of W

11. Two Dimensional Motion Break the following vector into its components: 600 m/s 30  N of W 300m/s N 520m/s W

12. Two Dimensional Motion You head downstream on a river in a canoe. You can paddle at 5 km/h and the river is flowing at 2 km/h. How far downstream will you be in 30 minutes? 3.5km downstream Now you paddle upstream at 5 km/h. How far upstream will you be in 30 minutes? 1.5km upstream

13. Two Dimensional Motion Dave rows a boat across a river at 4 m/s. The river flows at 6 m/s and is 360 m across. What is the resultant velocity of the boat? 7.2m/s 56° downstream How long does it take Dave to cross the river? 90s How far downstream is Dave’s landing point? 540m downstream How long would it take to cross if there were no current? 90s

14. Two Dimensional Motion A jet flies due South at 300km/hr. A wind is blowing due West at 35km/hr. What is the jet’s resultant velocity? 302km/h 6.7° W of S

15. Two Dimensional Motion A ball is thrown horizontally from a cliff which is 18 m high. It lands 22 m from the base of the cliff. How long was it in the air? 1.9s With what speed was it thrown? 12m/s