Kinematics
6 minutes ago
sldowney
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20 QuestionsShow answers
  • Question 1
    120 seconds
    Q. What is the formula to calculate speed?
    answer choices
    S = t/d
    S = d/t
    S = d x t
    S = t x d
  • Question 2
    120 seconds
    Q. What is speed?
    answer choices
    how far you go
    how much distance is covered over a period of time
    how fast you accelerate
    the change in the location of a object
  • Question 3
    120 seconds
    Q. What is velocity?
    answer choices
    the quickness of an object
    the location of an object
    acceleration
    speed in a specific direction
  • Question 4
    60 seconds
    Q. A change in velocity over time is known as:
    answer choices
    acceleration
    constant speed
    average speed
    displacement
  • Question 5
    30 seconds
    Q. Velocity is both ____ and _____. 
    answer choices
    speed , direction 
    direction, mass
    volume, density 
    direction, magnitude 
  • Question 6
    30 seconds
    Q. The unit we use to measure acceleration is ___. 
    answer choices
    meters / second 
    meters 
    seconds 
    meters / second / second 
  • Question 7
    30 seconds
    Q. The speedometer on your car tells you
    answer choices
    average velocity
    instantaneous velocity
    average speed
    instantaneous speed
  • Question 8
    900 seconds
    Q. What is this graph representing?
    answer choices
    Constant Speed
    Acceleration (speeding up)
    Deceleration (slowing down)
    No motion
  • Question 9
    900 seconds
    Q. What two measurements are necessary for calculating speed?
    answer choices
    Mass and time
    Temperature and mass
    Mass and distance
    Distance and time
  • Question 10
    900 seconds
    Q. At 60 seconds, how far had this object traveled? 
    answer choices
    0 m
    10 m
    20 m
    40 m
  • Question 11
    30 seconds
    Q. What is the person doing from 5 seconds to 10 seconds?
    answer choices
    Walking 
    Running
    Standing Still 
    Walking Fast
  • Question 12
    900 seconds
    Q. Which graph represents zero acceleration (constant velocity)?
    answer choices
    A
    B
    C
    D
  • Question 13
    30 seconds
    Q. You run from your house to a friend's house that is 3 km away. You then walk home. The distance you traveled is 6 km. What is your displacement? 
    answer choices
    6  km
    0 km
  • Question 14
    60 seconds
    Q. The fastest trains are magnetically levitated above the rails to avoid friction (and are therefore called
    MagLev trains...cool, huh?). The fastest trains travel about 250 km in a half an hour. What is their
    average speed in km/hour?
    answer choices
    250 km/hr
    500 km/hr
    125 km/hr
  • Question 15
    60 seconds
    Q. A hummingbird averages a speed of about 45 km/hour (Cool facts: They visit up to 1000 flowers per day, and reach maximum speed, while diving, up to 160 km/hour!). Ruby-throated hummingbirds take a non-stop trip across Gulf of Mexico in which they fly for 18 hours straight! How far is the trip across the Gulf of Mexico at their average speed?
    answer choices
    810 km
    2.5 km
    3.6 km
    360 km
  • Question 16
    60 seconds
    Q. A car slows down from +32 m/s to +8 m/s in 4 s. The acceleration is 
    answer choices
    6 m/s/s opposite the motion
    2m/s/s in the direction of motion
    8 m/s/s opposite the motion
  • Question 17
    30 seconds
    Q. A cheetah travels 75 m in 3 s. What is her velocity over the interval?
    answer choices
    225 m/s
    25 m/s 
    0.04 m/s
  • Question 18
    30 seconds
    Q.

    Which of the following terms describes a Vector and it's proper units?

    answer choices

    position in seconds

    distance in meters

    speed in hours

    velocity in m/s

  • Question 19
    30 seconds
    Q.

    A car is traveling south for 250 meters over the course of 100 seconds. What was the car's average velocity?

    answer choices

    0.4 m/s south

    0.4 m/s

    2.5 m/s

    2.5 m/s south

  • Question 20
    30 seconds
    Q.

    Horse A is running East at a speed of 6 m/s. Horse B is running at a speed of 8 m/s East as it passes Horse A. What is Horse B's velocity relative to Horse A?

    answer choices

    14 m/s

    -2 m/s

    2 m/s

    48 m/s

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