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Science

10th

grade

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2023 6091 Chapter 2 Kinematics

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18 questions

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  • 1. Multiple Choice
    2 minutes
    1 pt
    Image
    The graph shows how the speed of a trolley changes as it moves across a floor.How far does the trolley travel at constant speed?

    4 m

    12 m

    16 m

    22 m

  • 2. Multiple Choice
    2 minutes
    1 pt
    A car driver takes a total of two hours to make a journey of 75 km. During the journey, she takes a break of half an hour and spends a quarter of an hour stationary in a traffic jam. At what average speed must she travel during the rest of the time for the whole journey to take two hours?
    38 km/h
    50 km/h
    60 km/h
    75 km/h
  • 3. Multiple Choice
    2 minutes
    1 pt
    Image
    The diagram below is a speed-time graph for a car. Which two quantities are needed to find the average speed of the car for this 50 s period?

    the area under the graph and the total time taken

    the initial speed and the final speed

    the maximum speed and the minimum speed

    the maximum speed and the time taken to reach it

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