Establishing Relationships and S and V

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Author:
pugsrule915
ID:
4703
Filename:
Establishing Relationships and S and V
Updated:
2010-03-21 12:38:47
Tags:
Establishing Relationships and S and V
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midterm
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  1. The relationship between p and t is direct and it is represented by the mathematical relationship position=k(time)
    NONE
  2. the relationship between p and t is inverse and it is represented by the mathematical relationship position (time) = k
    NONE
  3. the relationship between v and t is constant and it is represented by the mathematical relationship velcoity=k
    NONE
  4. The relationship between p and t is parabolic and it is represented by the mathematical relationship position= k(time)^2
    NONE
  5. Define the term speed. Is it a vector or a scalar.
    What is the change in distance over time? •What is a scalar?
  6. An object moves a distance of 10 m in 5 seconds. The average speed of the object is
    a. 0.5 m/s c. 40 m/s
    b. 2.0 m/s d. 50 m/s
    • What is answer b. 2.0 m/s?
    • V= d/t =10m / 5s = 2.0 m/s
  7. As a cart travels around a horizontal circular track, the cart MUST undergo a change in
    a:velocity b:speed
    c:inertia d:weight
    • What is a:Velocity ?
    • Velocity has direction in its measurement, circle motion must have a constant change in direction.
  8. What is the distance covered between the 2nd and 6th second?
    a 8m b 2m
    c 6 m d 4m
    • What is d:4m ?
    • 6m-2m = 4m
  9. What is a: Velocity ?
    Velocity has direction in its measurement, circle motion must have a constant change in direction.
  10. n
    none
  11. The average speed of a plane was 600 kilometers per hour. How long did it take the plane to travel 120 km?
    a:0.2 h b:0.5 h
    c:0.7 h d:5 h
    • What is a : 0.2 h ?
    • v = d / t
    • 600 km /h = 120 km / t
    • t = 120 km / 600 km / h
    • t = . 2 h?

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