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Kinematics Jeopardy

Kinematics Jeopardy. 2 D (Horizontal). 1D Y. Vector. 2 D (Angel Problems). 1D X. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500. 500. 500. 500. Final Jeopardy.

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Kinematics Jeopardy

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  1. Kinematics Jeopardy 2 D (Horizontal) 1D Y Vector 2 D (Angel Problems) 1D X 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500 Final Jeopardy

  2. QUESTION: A dragster accelerates to a speed of 112 m/s over a distance of 398 m. Determine the acceleration (assume uniform) of the dragster. ANSWER:  a = 15.8 m/s/s FINAL JEOPARDY

  3. QUESTION: What is the speed of an object at rest? ANSWER:0 m/s 100

  4. QUESTION: A soccer ball is kicked horizontally. What is its average speed if its displacement is 21.0 m after 4.00 s? ANSWER: 5.25 m/s 200

  5. QUESTION: A sports car accelerates at a constant rate from rest to a speed of 27.8 m/s in 8.00 s. What is the displacement of the sports car in this time interval? ANSWER: 111 m 300 (double)

  6. QUESTION: A toy car is given an initial velocity of 5.0 m/s and experiences a constant acceleration of 2.0 m/s2. What is the final velocity after 6.0 s? ANSWER: 17 m/s 400

  7. QUESTION: A race car accelerates from 0 m/s to 30.0 m/s with a displacement of 45.0 m. What is the vehicle's acceleration? ANSWER: 10.0 m/s2 500

  8. QUESTION: What two conditions are assumed for "free fall"? ANSWER: 1. air resistance is neglected2. acceleration is nearly constant 100

  9. QUESTION: What symbol represents acceleration due to gravity ANSWER: ay or g 200 (double)

  10. QUESTION: In free fall questions, acceleration in the upward motion is designated with a ____ and downward motion is desginated with a _______. ANSWER: positive signnegative sign 300

  11. QUESTION: A ball is dropped from rest from a height of 20.0 m. One second later a second ball is thrown vertically downwards. If two balls arive at the ground at the same time, what must have been initial velocity of the second ball? ANSWER: 15 m/s, downwards 400

  12. QUESTION: The Steamboat Geyser in Yellowstone National Park, Wyoming is capable of shooting its hot water up from the ground with a speed of 48.0 m/s. How high can this geyser shoot? ANSWER: 115 m 500

  13. QUESTION: What is a physical quantity that has a magnitude and direction? ANSWER: Vector 100

  14. QUESTION: For the winter, a duck flies 10.0 m/s due south against a gust of wind with a speed of 2.5 m/s. What is the resultant velocity of the duck? ANSWER: 7.5 m/s south 200

  15. QUESTION: Multiplying or dividing vectors by scalars results in? ANSWER: vectors. 300 (double)

  16. QUESTION: An ant on a picnic table travels 3.0 × 10 cm eastward, then 25 cm northward, and finally 15 cm westward. What is the magnitude of the ant’s displacement relative to its original position? ANSWER: 29 cm 400

  17. QUESTION: Find the resultant of these two vectors: 2.00 × 10 units due east and 4.00 × 10 units 30.0° north of west. ANSWER: 248 units, 53.9° north of west 500

  18. QUESTION: What is the path of a projectile (in the absence of friction)? ANSWER: a parabola 100

  19. QUESTION: A model rocket flies horizontally off the edge of a cliff at a velocity of 50.0 m/s. If the canyon below is 100.0 m deep, how far from the edge of the cliff does the model rocket land? ANSWER: 226 m 200

  20. QUESTION: When you fire/launch a horizontally launched projectile, its making a ___ angle with x axis ANSWER:0˚ 300 (double)

  21. QUESTION: Initial __________ velocity equals the final __________ velocity. ANSWER: horizontal, horizontal 400

  22. QUESTION:A soccer ball is kicked horizontally off a 22.0-meter high hill and lands a distance of 35.0 meters from the edge of the hill. Determine the initial horizontal velocity of the soccer ball. ANSWER: 16.5 m/s. 500

  23. QUESTION: What is the main difference between horizontally launched projectiles and angled projectiles? ANSWER: Those launched at an angle are initially moving both vertically and horizontally 100 (double)

  24. QUESTION: A stone is thrown at an angle of 30.0° above the horizontal from the top edge of a cliff with an initial speed of 12 m/s. A stopwatch measures the stone’s trajectory time from the top of the cliff to the bottom at 5.60 s. What is the height of the cliff? ANSWER: 120 m 200

  25. QUESTION: A firefighter 50.0 m away from a burning building directs a stream of water from a fire hose at an angle of 30.0° above the horizontal. If the velocity of the stream is 40.0 m/s, at what height will the stream of water strike the building? ANSWER: 18.7 m 300

  26. QUESTION: A baseball was hit at 45 m/s at an angle of 45° above the horizontal.Howlong did it remain in the air? How far did it travel horizontally? ANSWER:6.6 s, 2.1 x 102 m 400

  27. QUESTION: A long jumper leaves the ground with an initial velocity of 12 m/s at an angle of 28-degrees above the horizontal. Determine the time of flight, the horizontal distance, and the peak height of the long-jumper. ANSWER: 1.1 seconds, 12.2 m, 1.6 m 500 (double)

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