2. Template by Bill Arcuri, WCSD Who Wants to Be a Millionaire?

3. Two Dimensional Motion Click the appropriate dollar amount at right to proceed to the question

4. Template by Bill Arcuri, WCSD Phone A Friend “OK Contestant…Please select a friend to help you with this one. You have thirty seconds to discuss your options…” Return to the Question

5. Template by Bill Arcuri, WCSD Ask the Audience “Audience, we need your help on this one…in a moment, we’ll ask you to indicate, by show of hands, your choice for the correct answer…” Return to the Question

6. Template by Bill Arcuri, WCSD Fifty - Fifty You’ve asked that two of the wrong answers be eliminated, leaving you with one wrong answer plus the correct one. 50/50 Return to the Question

7. Template by Bill Arcuri, WCSD Correct Correct! Proceed to Next Question

8. Template by Bill Arcuri, WCSD Incorrect Sorry, That’s Incorrect Return to the Question

9. Template by Bill Arcuri, WCSD Your displacement Which of the following is a vector? Your speedThe time Your mass 50/50 A CD B

10. Template by Bill Arcuri, WCSD 7 m/s left A + 2B = ? 1 m/s right1 m/s left 7 m/s right A CD B 50/50 A = 3 m/s B = 2 m/s

11. Template by Bill Arcuri, WCSD 2 v dumb Dumb and Dumber are chasing a cat. Dumb is running at a velocity of v dumb. Dumber is running two times as fast in the opposite direction. What is the correct expression for Dumber’s velocity?  2 v dumb  1/2 v dumb 1/2 v dumb A CD B 50/50

12. Template by Bill Arcuri, WCSD Dependent on its direction The magnitude of a vector is … A scalarLarger than its size A vector A CD B 50/50

13. Template by Bill Arcuri, WCSD A car gaining speed Which example has a velocity vector and an acceleration vector in opposite directions? A man jogging at constant speed A child sleeping A car coming to a stop at a light A CD B 50/50

14. Template by Bill Arcuri, WCSD The sum of the sides If a set of vectors laid tip to tail forms a closed polygon, the resultant has a magnitude equal to … The sum of the squares of the sides. zero Can’t tell. Need more information. A CD B 50/50

15. Template by Bill Arcuri, WCSD Find the sum of their squares How would you add two vectors that are neither perpendicular nor parallel? Find the sum of the respective components Give up Add their magnitudes A CD B 50/50

16. Template by Bill Arcuri, WCSD 17 m/s downstream A salmon is swimming upstream to spawn. If the salmon swims at 10 m/s, but the river flows at 7 m/s, what is the speed of the salmon relative to the shore? 3 m/s downstream 10 m/s upstream 3 m/s upstream A CD B 50/50

17. Template by Bill Arcuri, WCSD Time Which of the following is zero for a projectile launched horizontally? Initial horizontal velocity Initial vertical velocity Vertical acceleration A CD B 50/50

18. Template by Bill Arcuri, WCSD At the end of its trajectory At what point will the velocity of a horizontally launched projectile be maximized? Just after the launch Midway along its trajectory At the start of its trajectory A CD B 50/50

19. Template by Bill Arcuri, WCSD Your shoes When you jump up, your hang time is the duration that your feet are off the ground. Which should you increase in order to increase your hang time? Horiz. component of velocity Total velocity Vert. component of velocity A CD B 50/50

20. Template by Bill Arcuri, WCSD At the start Consider a projectile launched at an angle. At what point in its path does it have minimum speed? Midway up as it rises At the top At the end A CD B 50/50

21. Template by Bill Arcuri, WCSD 4.9 m How far below an initial straight line path will a projectile fall in one second? Depends on its initial speed 9.8 m/s 2 9.8 m A CD B 50/50

22. Template by Bill Arcuri, WCSD 2 m/s What is the minimum resultant possible when you add a 2 m/s velocity to a 5 m/s velocity? 5 m/s7 m/s 3 m/s A CD B 50/50

23. Template by Bill Arcuri, WCSD slower than You are watching a rowing competition on the Fox River, and the competitors are rowing upstream. From your perspective, they are moving ________ they would on a lake. the same speed as much faster than faster than A CD B 50/50