3. 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 v- tx-tKinematics Reaction Time Chase

4. What is the displacement from B to C?

5. ∆x = 3 m

6. What is the instantaneous acceleration at 7.5 seconds?

7. a = -5 m/s 2

8. What is the average acceleration from A to H?

9. a = 0 m/s 2

10. What is the total distance from A to H?

11. d = 21.5 m

12. What is the total displacement from A to H?

13. ∆x = 11.5 m

14. What is the displacement of B?

15. ∆x = -15 m

16. What is the object doing during segment C?

17. At Rest

18. DAILY DOUBLE

19. What is the total distance traveled?

20. d = 30 m

21. What is the average velocity for the entire trip?

22. v = 0 m/s

23. What is the average speed for entire trip?

24. s = 1 m/s

25. It was once recorded that a Jaguar left skid marks that were 290 m in length. Assuming that the Jaguar skidded to a stop with constant deceleration of 3.9 m/s 2. What was the initial speed of the Jaguar?

26. v i = 47. 6 m/s

27. It was once recorded that a Jaguar left skid marks that were 290 m in length. Assuming that the Jaguar skidded to a stop with constant deceleration of 3.9 m/s 2. How long did it take the Jaguar to come to a stop?

28. t = 12.2 s

29. A car traveling at 12.5 m/s slows down at a constant rate of 0.50 m/s 2 by just letting off the gas. How far does the car travel during its fifth second?

30. ∆x = 10.25 m

31. You drive down the road at 30 km/h for 30 minutes and then at 50 km/h for another 30 minutes. What is your average velocity?

32. v = 40 km/h

33. You drive down the road at 44 km/h for 30 minutes and then at 50 km/h for another hour. What is your average velocity?

34. v = 48 km/h

35. You are driving down the highway late one night at 18 m/s when a deer steps onto the road 37 m in front of you. Your reaction time before stepping on the brakes is 0.50 s and the maximum deceleration of your car is 11 m/s 2. How far have you traveled from the moment you see the deer and pressing the brakes?

36. ∆x = 9 m

37. You are driving down the highway late one night at 18 m/s when a deer steps onto the road 37 m in front of you. Your reaction time before stepping on the brakes is 0.50 s and the maximum deceleration of your car is 11 m/s 2. Assuming constant acceleration, how long does it take for your car to come to a complete stop after you step on the brakes?

38. t = 1.6 s

39. Once you step on the brakes and assuming maximum deceleration, how far does your car travel before coming to a stop? You are driving down the highway late one night at 18 m/s when a deer steps onto the road 37 m in front of you. Your reaction time before stepping on the brakes is 0.50 s and the maximum deceleration of your car is 11 m/s 2.

40. ∆x = 14.7 m

41. You are driving down the highway late one night at 18 m/s when a deer steps onto the road 37 m in front of you. Your reaction time before stepping on the brakes is 0.50 s and the maximum deceleration of your car is 11 m/s 2. Assuming maximum deceleration, how far does your car travel from the moment you see the deer and the moment you come to a complete stop?

42. ∆x = 23.7 m

43. You are driving down the highway late one night at 18 m/s when a deer steps onto the road 37 m in front of you. Your reaction time before stepping on the brakes is 0.50 s and the maximum deceleration of your car is 11 m/s 2. What is largest reaction time that you can have and still safely stop without hitting the deer?

44. t R = 1.2 s

45. A jogger with constant velocity of 4.0 m/s runs by a stationary dog. Immediately, the dog begins running after the jogger with a constant acceleration of 1.5 m/s 2. List all of the givens and unknowns for the jogger.

46. v = 4 m/s t = ? s ∆x = ? m

47. A jogger with constant velocity of 4.0 m/s runs by a stationary dog. Immediately, the dog begins running after the jogger with a constant acceleration of 1.5 m/s 2. List all of the givens and unknowns for the dog.

48. v i = 0 m/s a = 1.5 m/s 2 v f = ? m/s t = ? s ∆x = ? m

49. How long does it take the dog to catch up to the jogger? A jogger with constant velocity of 4.0 m/s runs by a stationary dog. Immediately, the dog begins running after the jogger with a constant acceleration of 1.5 m/s 2.

50. t = 5.3 s

51. A jogger with constant velocity of 4.0 m/s runs by a stationary dog. Immediately, the dog begins running after the jogger with a constant acceleration of 1.5 m/s 2. How far from the spot where the dog was sitting has the jogger gone when the dog catches up to her?

52. ∆x = 21 m

53. A jogger with constant velocity of 4.0 m/s runs by a stationary dog. Immediately, the dog begins running after the jogger with a constant acceleration of 1.5 m/s 2. How fast is the dog moving when it catches up to the jogger?

54. v f = 8 m/s