Physical Science Practice Quiz: Trivia

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  • 1/15 Questions

    The rate of change in the velocity of an object is called ____________________.

    • Distance
    • Time
    • Acceleration
    • Speed
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About This Quiz


Physical science practice quiz trivia. The distance one takes on the speed they choose and the time taken to get from one point to another. One way to solve the solution that includes two of these to find one is through the use of graphs. Take up the quiz and get to do see how much you know about reading said graphs and the relationship between speed, time and distance.

Physical Science Practice Quiz: Trivia - Quiz

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  • 2. 
    Use the graph to predict the speed of the car when the car is at 60 cm - ProProfs

    Use the graph to predict the speed of the car when the car is at 60 cm

    • 320cm/s

    • 130cm/s

    • 200cm/s

    • 250cm/s

    Correct Answer
    A. 250cm/s
    Explanation
    According to the graph, the speed of the car increases as the distance increases. At 60 cm, the car is located between 200 cm/s and 250 cm/s. Since the speed is increasing, it is logical to assume that the car's speed at 60 cm would be closer to 250 cm/s rather than 200 cm/s. Therefore, the predicted speed of the car at 60 cm would be 250 cm/s.

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  • 3. 
    In this speed vs. time graph, the object at point C - ProProfs

    In this speed vs. time graph, the object at point C

    • Speeding up

    • Acceleration = 0

    • Slowing down

    • Not moving

    Correct Answer
    A. Slowing down
    Explanation
    The correct answer is "slowing down". This can be inferred from the speed vs. time graph. Point C represents a section where the speed of the object is decreasing over time, indicating that it is slowing down.

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  • 4. 

    A parachute on a dragster racing-car opens and changes the speed of the car from 85 m/sec to 0 m/sec in a period of 4.5 seconds. What is the acceleration of the car?

    • 382.5m/s/s

    • 18.9m/s/s

    • 12m/s/s

    • 150m/s/s

    Correct Answer
    A. 18.9m/s/s
    Explanation
    The acceleration of the car can be calculated using the equation: acceleration = (final velocity - initial velocity) / time. In this case, the final velocity is 0 m/s, the initial velocity is 85 m/s, and the time is 4.5 seconds. Plugging these values into the equation, we get: acceleration = (0 m/s - 85 m/s) / 4.5 s = -85 m/s / 4.5 s = -18.9 m/s². Since acceleration is a vector quantity, the negative sign indicates that the car is decelerating. Therefore, the correct answer is 18.9 m/s².

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  • 5. 

    A snail can move approximately 0.50 meters per minute. How many meters can snail travel in 15 minutes?

    • 30m

    • 0.02m

    • 20m

    • 7.5m

    Correct Answer
    A. 7.5m
    Explanation
    In 15 minutes, a snail can travel 0.50 meters per minute, so to find the total distance traveled, we multiply the speed by the time. Therefore, 0.50 meters/minute * 15 minutes = 7.5 meters.

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  • 6. 
    At which of the following points on the graph is the speed the greatest? - ProProfs

    At which of the following points on the graph is the speed the greatest?

    • 1

    • 2

    • 3

    • 4

    Correct Answer
    A. 2
    Explanation
    The speed is the greatest at point 2 because it is the highest point on the graph. As the graph represents speed over time, the higher the point on the graph, the greater the speed. Therefore, point 2 has the highest speed compared to the other points on the graph.

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  • 7. 

    The speed you have at a specific point in your journey is best called ____________________ speed.

    • Instantaneous

    • Average

    • Acceleration

    • Fastest

    Correct Answer
    A. Instantaneous
    Explanation
    The speed you have at a specific point in your journey is best called instantaneous speed because it refers to the speed at a particular moment or instant in time. It is the exact speed at that specific point, whereas average speed is calculated over a period of time. Acceleration refers to the rate at which speed changes, and fastest is a comparative term that does not accurately describe the speed at a specific point.

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  • 8. 

    The slope of a distance vs. time graph is equal to:

    • Distance

    • Speed

    • Acceleration

    • None of the above

    Correct Answer
    A. Speed
    Explanation
    The slope of a distance vs. time graph represents the rate of change of distance with respect to time. In other words, it shows how quickly the distance is changing over time. Speed, which is defined as the distance traveled per unit of time, is directly related to this rate of change. Therefore, the correct answer is speed.

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  • 9. 
    Match the position vs. time graph with the correct speed vs. time graph. - ProProfs

    Match the position vs. time graph with the correct speed vs. time graph.

    • A

    • B

    • C

    • D

    Correct Answer
    A. D
  • 10. 

    When constructing a graph, the x-axis is most closely related to:

    • Dependent variable

    • Vertical axis

    • Independent variable

    • The slope

    Correct Answer
    A. Independent variable
    Explanation
    The x-axis in a graph represents the independent variable. The independent variable is the variable that is intentionally changed or manipulated in an experiment or study. It is the variable that is believed to have an effect on the dependent variable, which is represented on the y-axis. Therefore, the x-axis is most closely related to the independent variable.

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  • 11. 

    A rocket sled accelerates from 10 m/sec to 50 m/sec in 2 seconds. What is the acceleration ofthe sled?

    • 10m/s/s

    • 20m/s/s

    • 25m/s/s

    • 40m/s/s

    Correct Answer
    A. 20m/s/s
    Explanation
    The acceleration of an object is calculated by dividing the change in velocity by the time taken. In this case, the change in velocity is 50 m/s - 10 m/s = 40 m/s, and the time taken is 2 seconds. Dividing the change in velocity by the time taken, we get 40 m/s / 2 s = 20 m/s/s. Therefore, the acceleration of the sled is 20 m/s/s.

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  • 12. 
    Calculate the speed of the object from the position vs. time graph shown below - ProProfs

    Calculate the speed of the object from the position vs. time graph shown below

    • 0.5m/s

    • 0.75m/s

    • 2m/s

    • 3m/s

    Correct Answer
    A. 0.5m/s
    Explanation
    The speed of an object can be calculated by finding the slope of the position vs. time graph. In this case, the slope of the graph is 0.5m/s, indicating that the object is moving at a constant speed of 0.5 meters per second.

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  • 13. 
    The type of relationship represented between variables in the graph pictured is: - ProProfs

    The type of relationship represented between variables in the graph pictured is:

    • Strong relationship

    • Weak relationship

    • Inverse relationship

    • No relationship

    Correct Answer
    A. No relationship
    Explanation
    The graph does not show any clear pattern or trend between the variables. The points are scattered randomly, indicating that there is no relationship between the variables.

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  • 14. 

    A bicycle rider would NOT be accelerating if her:

    • Direction and speed were unchanged.

    • Direction changed and speed was constant.

    • Speed increased and direction was unchanged.

    • Speed decreased.

    Correct Answer
    A. Direction and speed were unchanged.
    Explanation
    If the direction and speed of a bicycle rider are unchanged, it means that she is maintaining a constant speed and moving in a straight line without any change in velocity. Acceleration is the rate of change of velocity, so if there is no change in velocity, there is no acceleration. Therefore, the bicycle rider would not be accelerating in this scenario.

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  • 15. 
    On this graph, the dependent variable is: - ProProfs

    On this graph, the dependent variable is:

    • Distance

    • Speed

    • Acceleration

    • The slope of the speed vs distance curve

    Correct Answer
    A. Speed
    Explanation
    The dependent variable in this graph is speed because it is the variable that is being measured and is dependent on the distance. The graph is likely showing how the speed changes as the distance increases or decreases.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 17, 2014
    Quiz Created by
    Samblanet
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