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$1 Million

50:50. Who Wants to Be a Physicist ?. 15. $1 Million. 14. $500,000. 13. $250,000. 12. $125,000. 11. $64,000. 10. $32,000. 9. $16,000. 8. $8,000. 7. $4,000. 6. $2,000. 5. $1,000. 4. $500. 3. $300. 2. $200. 1. $100. 15. $1 Million. 14. $500,000. 13. $250,000.

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$1 Million

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  1. 50:50 Who Wants to Be a Physicist? 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

  2. 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

  3. 15 $1 Million • When a car’s velocity is positive and its acceleration is negative, what is happening to the car’s motion? 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 • B: The car slows down. • A:The car speeds up. logy • C: The car travels at constant speed. • D: The car remains at rest.

  4. 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

  5. 15 $1 Million 14 $500,000 • Calculate the velocity of a boat (in m/s) that covers a distance of 36-km in a time of 1-hr. 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 A: 10,000-m/s B:1,000-m/s C:100-m/s D:10-m/s

  6. 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

  7. 15 $1 Million 14 $500,000 • The length of a force vector represents the 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 • A:magnitude or strength of the force • B: direction of the force • D: type of force • C:cause of the force

  8. 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

  9. 15 $1 Million 14 $500,000 • A ball is whirled on a string, then the string breaks. What causes the ball to move off in a straight line? 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 A: Inertia B: Centripetal force C: Centrifugal force D: Centripetal acceleration

  10. 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

  11. 15 $1 Million 14 $500,000 • How much time would it take the superhero Wonder Woman to reach a speed of 100-m/s if she starts at rest and can accelerate at 50-m/s^2? 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 B:75-s A: 25-s C:2-s D: 0.5-s

  12. Congratulations! Congratulations! Congratulations! You’ve Reached the $1,000 Milestone!

  13. 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

  14. 15 $1 Million 14 $500,000 • Two billiard balls collide. Identify the type of collision. 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 A:elastic B:perfectly elastic C:inelastic D:perfectly inelastic

  15. 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

  16. 15 $1 Million 14 $500,000 • If both the mass and the velocity of a ball were tripled, the kinetic energy of the ball would increase by a factor of 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 A: 3 B:6 D:27 C: 9

  17. 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

  18. 15 $1 Million 14 $500,000 13 $250,000 • A 75 kg person walking around a corner bumped into an 80 kg person who was running around the same corner in the opposite direction. The momentum of the 80 kg person 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 A:decreased B: increased C: remained the same D: was conserved

  19. 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

  20. 15 $1 Million • Which of the following is not an example of potential energy? 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 B:A basketball player at the peak of his jump. A: A stretched rubber band. D:A boulder on top of a cliff. • C: A speeding car.

  21. 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

  22. 15 $1 Million 14 $500,000 • A worker does 25J of work lifting a bucket, then sets the bucket back down in the same place. What is the total net work done on the bucket? 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 • A: 50 J B:25 J C: -25J D:0 J

  23. Congratulations! Congratulations! Congratulations! You’ve Reached the $32,000 Milestone!

  24. 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

  25. 15 $1 Million 14 $500,000 • A 3.00 kg toy falls from a height of 1.00 m. What will the kinetic energy of the toy be just before the toy hits the ground? (assume no air resistance and that g = 10 m/s^2) 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 B: 30 J A: 10 J C:40J D:60 J

  26. 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

  27. 15 $1 Million 14 $500,000 • The gravitational force between two masses is 36 N. What is the gravitational force if the distance between them is tripled? 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 A: 18 N B:9.0 N D:27 N C: 4.0 N

  28. 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

  29. 15 $1 Million 14 $500,000 • A ball with a momentum of 4.0 kg xm/s hits a wall and bounces straight back without losing any kinetic energy. What is the change in the ball’s momentum? 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 A:0.0 kg xm/s • B:8.0 kg xm/s C: -4.0 kg xm/s D:-8.0 kg xm/s

  30. 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

  31. 15 $1 Million 14 $500,000 • The radius of the Earth 6,370,000 m. Express this measurement in km in scientific notation. 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 B: 6.37 x 10^6 km A:6.37 x 10^3 km C: 63.7 x 10^4 km D:637 x 10^3 km

  32. 15 $1 Million 14 $500,000 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 1 $100

  33. 15 $1 Million 14 $500,000 • A billiard ball collides with a stationary (at rest) identical billiard ball in an elastic head-on collision. After the collision, which of the following is true of the first ball? 13 $250,000 12 $125,000 11 $64,000 10 $32,000 9 $16,000 8 $8,000 7 $4,000 6 $2,000 5 $1,000 4 $500 3 $300 2 $200 50:50 1 $100 • A:It maintains its initial velocity. • B:It comes to rest. • C:It has one-half its initial velocity. • D:It moves in the opposite direction.

  34. YOU WIN $1 MILLION DOLLARS!

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