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Who Wants to Be a Millionaire?

Who Wants to Be a Millionaire?. Click the appropriate dollar amount at right to proceed to the question. One Dimensional Motion. 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.

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Who Wants to Be a Millionaire?

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  1. Who Wants to Be a Millionaire?

  2. Click the appropriate dollar amount at right to proceed to the question One Dimensional Motion

  3. 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

  4. 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

  5. 50/50 Fifty - Fifty • You’ve asked that two of the wrong answers be eliminated, leaving you with one wrong answer plus the correct one. Return to the Question

  6. Correct Correct! Proceed to Next Question

  7. Incorrect Sorry, That’s Incorrect Return to the Question

  8. Correct units for velocity are … 50/50 km km/hr A B m m/s2 C D

  9. Displacement is … 50/50 A feeling of being displaced Same as distance traveled A B Always positive Change in position C D

  10. Velocity is … 50/50 Same as speed A feeling of motion A B Slope of position VS time graph What happens on a roller coaster C D

  11. A negative displacement indicates … 50/50 Object has moved backward Object is moving backward A B Object has moved in negative direction Object is moving forward C D

  12. A negative velocity indicates … 50/50 Object is moving in negative direction Displacement is negative A B Object is moving backward You made an error C D

  13. If object is slowing down, the velocity and acceleration are … 50/50 Too complicated to understand In same direction A B In opposite directions, but at the same rate In opposite directions C D

  14. Two students take a walk southward along a straight road. They walk 200 m in 85 s. Their velocity is … 50/50 17,000 m 2.4 km/hr southward A B 2.4 m/s southward 0.42 m/s southward C D

  15. If a football player is tackled such that he returns to his starting position, his displacement … 50/50 is zero depends on how far he ran A B cannot be determined Is negative C D

  16. Which is not an equation of motion? 50/50 vf = vi + at vf2 = vi2 + 2ax A B x = vit + 1/2at2 vf2 = vi2 + 1/2at C D

  17. A plane starting at rest undergoes a constant acceleration of 4.8 m/s2 for 15 s before takeoff. Which equation would you use to find the velocity at takeoff? 50/50 vf2 = vi2 + 2ax vf = vi + at A B vavg = 1/2(vf + vi) x = vit + 1/2at2 C D

  18. A baseball player hit a ball straight up. When it returned to its original height, it was traveling at 60 m/s. Ignoring air resistance, how fast was it traveling when it left the bat? 50/50 60 m/s 9.8 m/s A B 0 m/s 30 m/s C D

  19. A baseball player hit a ball straight up. What was the ball’s acceleration at the top of its path? 50/50 Depends on its initial velocity 0 m/ss A B Depends on the air resistance 9.8 m/s2 C D

  20. A speedboat increases its speed from 25 m/s to 35 m/s in a distance of 250 m. Which equation would you use to find the boat’s acceleration? 50/50 x = vit + 1/2at2 vf2 = vi2 + 2ax A B vf = vi + at Need more than one equation C D

  21. A bus slows down uniformly from 75 km/hr to 0 km/hr in 220 m. Which equation would you use to find how long it takes the bus to stop? 50/50 Need more than one equation x = vit + 1/2at2 A B vf2 = vi2 + 2ax vf = vi + at C D

  22. The velocity at time t2 is … 50/50 zero positive A B negative moving backward C D

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