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Welcome to Work/Energy/Power JEOPARDY

Welcome to Work/Energy/Power JEOPARDY. KEYBOARDING. Horizontal Problems . Components. Relative Velocity. Projectiles Launch at An Angle. 100. 100. 100. 100. 200. 200. 200. 200. 300. 300. 300. 300. 400. 400. 400. 400. 500. 500. 500. 500.

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Welcome to Work/Energy/Power JEOPARDY

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  1. Welcome to Work/Energy/Power JEOPARDY KEYBOARDING

  2. Horizontal Problems Components Relative Velocity Projectiles Launch at An Angle 100 100 100 100 200 200 200 200 300 300 300 300 400 400 400 400 500 500 500 500 Final Jeopardy Question

  3. Horizontal Problems 100 pts Which of the following plays a determining factor in the time of travel for a projectile? Horizontal speed Horizontal displacement Vertical displacement Acceleration due to gravity Back

  4. Horizontal Problems 100 pts Answer C and D Back

  5. Horizontal Problems 200 pts Which of the following remains unchanged as an object travels along a trajectory? a.Vy, b. Vx, c. Y position, d. X position, e. ax f. ay Back

  6. Horizontal Problems 200 pts Vx, ax, ay Back

  7. Predict the path of an object dropped from an airplane would take. A. B. C. D. E. Back

  8. Horizontal Problems 300 pts A. Back

  9. Horizontal Problems 400pts An object is thrown off a 20 m cliff with a Velocity of 2 m/s. How much time was the Object in the air? Back

  10. Horizontal Problems 400 pts Answer 2s Back

  11. Horizontal Problems 500 pts An object is thrown off a 10 m cliff with a Velocity of 2 m/s. How for does it move in the horizontal direction? Back

  12. Horizontal Problems 500pts Answer 4m Back

  13. Components 100pts A runner moves 3 km E and then 4 km N. What is the runners displacement? Back

  14. Components 100 pts 5km at 53 degrees. Back

  15. Components 200 pts A person is shot out of a cannon with an initial Velocity of 3m/s at an angle 20 degrees. Determine the components Vx Vy Back

  16. Components 200pts Answer Vx = 2.8 Vy = 1.02 Back

  17. Components 300pts A airplane flies with a speed of 40 m/s 20 NE. What is the Northern component? Back

  18. Components 300 pts 13.7m/s Back

  19. Components 400 pts What are the acceleration components for a projectile? Back

  20. Components 400 pts Answer Ax = 0 m/s/s Ay = 9.8 m/s/s Back

  21. Components 500 pts What are the velocity components at the Top of a trajectory for an object launched At an angle of 20 degrees with an initial Velocity of 35m/s? Back

  22. Componetns 500 pts Answer Vx = 16.4m/s Vy = 0 Back

  23. Projectiles At an angle 100 pts Describe what happens to the velocity components of an object launched at an angle as it travels along its trajectory. Back

  24. Projectiles 100 pts Answer The horizontal component remains Unchanged, and the vertical Component changes at a rate of 9.8 m/s every second towards the earth Back

  25. Projectiles 200pts Determine the total time a projectile is in the Air if it was shot at a 45 degree angle with an initial velocity of 22 m/s landing at the same Height it started? Back

  26. Projectiles 200pts Answer Use y-yi = 0 =vyi*t + 1/2gt^2 t= 2Vyi/g =3.4 s Back

  27. Projectiles 300pts Determine the range of a project if it was shot at a 45 degree angle with an initial velocity of 22 m/s landing at the same Height it started? Back

  28. Projectile 300pts Answer X-Xi = Vx t X = (22 cos 45)(3.4s) X =620 m Back

  29. Projectiles 300 Determine the max height of a projectile if it was shot at a 45 degree angle with an initial velocity of 22 m/s? Back

  30. Projectile 400pts Y-0 = -Vyi2/2g or Y-0 = Vyi*t1/2 – ½ g t1/22 Y = -(22Sin45)2/2g =12.34 m Back

  31. Projectile 500 pts Determine the total time and range of a projectile shot from a 20 m high cliff at a 45 degree angle with an initial velocity of 22 m/s landing on the ground below? Back

  32. Projectiles 500 pts Answer Time = X-Xi = Back

  33. Relative Velocity 100 pts A man walks east at 5m/s on a moving walkway that is moving 3m/s east. What is the mans velocity relative to a stationary observer? Back

  34. Relative Velocity 100 pts Answer 8m/s? Back

  35. Relative Velocity 200 pts A man walks at a speed of +4 m/s relative A man who is walking towards him moving At -1 m/s relative to a stationary observer. What is the firsts mans speed relative to the Stationary observer? Back

  36. Relative Velocity 200 pts +3m/s Back

  37. Relative Velocity 300 pts A boat in still water takes 40 s to cross a 30m wide river. If the current in this river is moving downstream at 1m/s what is the boats velocity relative to a person standing on the shore? Back

  38. Relative Velocity 300 pts Answer 1.25 m/s at 53 SE Back

  39. Relative Velocity 400 pts Two men moving at 6m/s step on to a moving walkway on opposite ends. The velocity is 4m/s east and is 10m long. What is the relative speeds of the men with respect to a stationary observer? Back

  40. Conservation of energy 400 pts Answer 10 m/s east 2 m/s west Back

  41. Conservation of energy 500 pts Two men moving at 6m/s step on to a moving walkway on opposite ends. The velocity is 4m/s east and is 10m long. How much time does it take for the men to meet? Back

  42. Relative velocity 500 pts Answer 8.3m. Back

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