Kinematics Heavy Homework
3 years ago
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  • Question 1
    300 seconds
    Q. A  car starts from rest and after  7 seconds it is moving at 42  m/s. What is the car’s acceleration?
    answer choices
    0.17
    1.67
    6
    7
  • Question 2
    300 seconds
    Q. A car accelerates at 2 m/s2. Assuming the car starts from rest, how much time does it need to accelerate to a speed of 16 m/s?
    answer choices
    4 s
    8 s
    16 s
    1/16 s
  • Question 3
    300 seconds
    Q. What is the average speed of a car that travels 35 meters in 12 seconds?
    answer choices
    None
    3.1 m/s
    35 m/s
    2.9m/s
  • Question 4
    300 seconds
    Q. How long will it take a running horse to travel 260 m and attain a speed of 12 m/s from rest?
    answer choices
    1200 seconds
    1.2 hours
    43 Hours
    43 minutes
  • Question 5
    300 seconds
    Q. A car is traveling at 21.0 m/s. It slows to a stop at a constant rate over 5.00 s. How far does the car travel during those 5.00 seconds before it stops? 
    answer choices
    4.20 m
    52.5 m
    105 m
    158 m
  • Question 6
    30 seconds
    Q. The SI unit for length or distance is
    answer choices
    foot (ft)
    inch (in)
    mile (mi)
    meter (m)
  • Question 7
    30 seconds
    Q. The SI unit for time is
    answer choices
    second (s)
    minute (min)
    hour (hr)
    year (yr)
  • Question 8
    30 seconds
    Q. What is the SI unit for acceleration?
    answer choices
    m/s
    m
    m/s2
    s
  • Question 9
    30 seconds
    Q. What is the SI unit for speed and velocity?
    answer choices
    Km
    s
    m/s
    m/s2
  • Question 10
    900 seconds
    Q. In each of the following cases, determine which car has the greatest acceleration.
    answer choices
    starts from 0 m/s to 20 m/s in 4 seconds.
    speed up from 20m/s to 40m/s in 3 seconds
    slow down from 50m/s to stop in 2 seconds
    starts from 0 m/s to 20m/s in 5 seconds
  • Question 11
    300 seconds
    Q. A car accelerates from a standstill to 70 m/s in 10 seconds.  What is the acceleration?
    answer choices
    0.7m/s2
    7m/s2
    14m/s2
    none of the above
  • Question 12
    300 seconds
    Q. A roller coasters accelerates from an initial velocity of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?
    answer choices
    24 m/s2
    18 m/s2
    16 m/s2
    16 m/s
  • Question 13
    300 seconds
    Q. A golf ball starts with a speed of 2 m/s and slows at a constant rate of 0.5 m/s2, what is its velocity after 2 s?
    answer choices
    0 m/s
    0.5 m/s
    1 m/s
    1.5 m/s
  • Question 14
    300 seconds
    Q. A dog runs with an initial speed of 7.5 m/s to a stop in 15 seconds.  What is the dog's acceleration?
    answer choices
    -7.5 m/s
    -7.5 m/s2
    -0.5 m/s2
    7.5 mi//hr
  • Question 15
    300 seconds
    Q. A car is traveling at 21.0 m/s. It slows to a stop at a constant rate over 5.00 s. How far does the car travel during those 5.00 seconds before it stops? 
    answer choices
    4.20 m
    52.5 m
    105 m
    158 m
  • Question 16
    300 seconds
    Q. A boat travels 12.0 m while it reduces its velocity from 9.5 m/s to 5.5 m/s. What is the magnitude of the boat’s acceleration while it travels the 12.0 m?
    answer choices
    1.3 m/s2
    2.5 m/s2
    3.0 m/s2
    7.5 m/s2
  • Question 17
    300 seconds
    Q. An object with an initial velocity of 3.50 m/s moves east along a straight and level path. The object then undergoes a constant acceleration of 1.80 m/s2 east for a period of 5.00 s. How far does the object move while it is accelerating?
    answer choices
    6.30 m
    17.5 m
    27.2 m
    40.0 m
  • Question 18
    30 seconds
    Q. A heavy object and a light object are dropped from the same height. Which will hit the ground first?
    answer choices
    Heavier object
    Lighter object
    Both
  • Question 19
    300 seconds
    Q. If a car is traveling forward at 15 m/s, how fast will it be going in 1.2 seconds if the acceleration is -10 m/s2?
    answer choices
    27 m/s
    3 m/s
    -27 m/s
    -3 m/s
  • Question 20
    300 seconds
    Q. How much time would it take for an object to fall 4.7 meters?
    answer choices
    0.959 s
    4.79 s
    0.979 s
  • Question 21
    300 seconds
    Q. An object falls for 3.5 seconds. What distance does it travel as it falls?
    answer choices
    120.05 m
    17.15 m
    60.03 m
    34.3 m
  • Question 22
    300 seconds
    Q. A freely falling object starts from rest. After falling for 6 seconds, it will have a speed of about:
    answer choices
    6m/s
    30m/s
    60m/s
    300m/s
  • Question 23
    300 seconds
    Q. An airplane lands on a runway with a velocity of 150 m/s. How far will it travel until it stops if its rate of deceleration is constant at -3 m/s2?
    answer choices
    525 m
    3750 m
    6235 m
    9813 m
  • Question 24
    300 seconds
    Q. A ball is thrown downward from the top of a roof with a speed of 25 m/s. After 2 s, its velocity will be:
    answer choices
    19.6 m/s
    -5.4 m/s
    -44.6 m/s
    44.6 m/s
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