Physics Distance and Displacement Quiz
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Questions and Answers

What is the correct way to find distance when time and velocity are known?

  • Multiply time by velocity (correct)
  • Add time to velocity
  • Divide velocity by time
  • Subtract velocity from time

    • Which term describes the location of an object with respect to a starting point?

  • Displacement (correct)
  • Position
  • Distance
  • Velocity

    • What is the term for velocity at the end of a time interval?

  • Average velocity
  • Final velocity (correct)
  • Initial velocity
  • Instantaneous velocity

    • Which quantity represents a physical quantity with both magnitude and direction?

    <p>Velocity (A)</p> Signup and view all the answers

    What does displacement divided by a given time interval represent?

    <p>Average velocity (A)</p> Signup and view all the answers

    In a velocity-time graph, what does the area under the graph represent?

    <p>Total distance (C)</p> Signup and view all the answers

    What is the instantaneous velocity at a particular moment in time?

    <p>Instantaneous velocity (D)</p> Signup and view all the answers

    If a runner moves with a constant velocity of 8.77 m/s, how can you determine the time taken to cover 47.9 m?

    <p>Divide distance by velocity (D)</p> Signup and view all the answers

    What is the primary factor indicated by the slope of a position-time graph?

    <p>Velocity (A)</p> Signup and view all the answers

    If an object has a positive initial velocity and a negative acceleration, what will happen to its velocity?

    <p>Decrease (C)</p> Signup and view all the answers

    How long will it take a dog to travel 210.0 m east at a constant speed of 5.9 m/s?

    <p>35.6 s (A)</p> Signup and view all the answers

    What can be determined from a position-time graph?

    <p>Both distance and displacement (D)</p> Signup and view all the answers

    What does zero slope on a velocity-time graph indicate?

    <p>The object has constant velocity (C)</p> Signup and view all the answers

    Given the final distance of +19.8 m and a change in distance of +7.3 m, where did the person start their trip?

    <p>+12.5 m (A)</p> Signup and view all the answers

    What term refers to the rate of change of velocity of an object?

    <p>Acceleration (C)</p> Signup and view all the answers

    If a car is traveling at 55 km/h and another car is traveling at -55 km/h, which car is moving faster?

    <p>The car at 55 km/h (B)</p> Signup and view all the answers

    Study Notes

    Multiple Choice and True/False

    • Distance vs. Displacement: Distance is the total path traveled, while displacement is the change in position from the starting point, and is a vector quantity.

    • Dog's Travel Time: To find the time it takes the dog to travel 210.0 m east at 5.9 m/s, divide the distance by the speed: 210.0 m / 5.9 m/s = 35.6 s.

    • Position-Time Graph Slope: The slope of a position-time graph represents velocity.

    • Vector Quantity: Velocity is a vector quantity (has both magnitude and direction).

    • Trip Starting Point : If the final distance is +19.8 m and the change in distance is +7.3m, then the starting point is 19.8 - 7.3=12.5 m.

    • Falling Ball Velocity: Using the formula vf = vi + at, where vf is final velocity, vi is initial velocity(0), a is acceleration due to gravity (9.8 m/s^2), and t is time, the ball's velocity after 2.2 s is 22 m/s.

    • Position-Time Graph Information: A position-time graph can provide information on both displacement and distance.

    • Velocity Change and Acceleration: If initial velocity is positive and acceleration is negative, the object's velocity will decrease.

    • Acceleration and Rate of Change of Velocity: Acceleration indicates the rate of change in velocity.

    • Speed vs. Velocity: Speed is a scalar quantity (only magnitude), while velocity is a vector (magnitude and direction). Velocity describes the rate of change of displacement over time; speed describes the rate of change of distance over time.

    True/False Statements

    • Velocity-Time Graph Slopes: Positive slopes on velocity-time graphs do not necessarily mean the object is moving. Positive or negative slopes mean either speeding up or slowing down

    • Distance is Positive Scalar: Distance is a positive scalar quantity.

    • Circular Track Velocity: If an athlete runs once around a circular track, her average velocity is zero. The total displacement is zero, despite the distance being greater than zero.

    • Relative Speed: A car traveling at 55 km/h is moving at the same speed as a car traveling at –55 km/h (the speeds are equal, albeit in different directions), but the velocities are in different directions.

    • Horizontal Line on Position-Time Graph: A horizontal line on a position-time graph signifies that the object is at rest because its position is not changing over time.

    • Zero Slope on Velocity-Time Graph: A zero slope on a velocity-time graph indicates no change in velocity (i.e. constant velocity), thus no acceleration.

    • Distance vs Displacement: You use distance to calculate speed and displacement to calculate velocity.

    • Calculating Distance: You divide distance by time to calculate the velocity.

    Definitions & Matching

    • Position: A location relative to a reference point.

    • Final Velocity: Velocity at the end of a time interval.

    • Initial Velocity: Velocity at the beginning of a time interval.

    • Vector Quantity: A quantity possessing both magnitude and direction.

    • Average Velocity: Displacement over a given time interval.

    • Slope of Displacement-Time Graph: Equals velocity.

    • Instantaneous Velocity: Velocity at a specific point in time.

    Diagrams (Position-Time Graph Analysis):

    • Position at 5.0 s: Provide the graph's value.

    • Average Velocity (first 11.0 s): Calculate total displacement over the time.

    – Forward Motion Intervals: Identify time intervals where the position is increasing.

    • Backward Motion Intervals: Identify time intervals where the position is decreasing.

    • Rest Intervals: Identify time intervals where the position is not changing.

    • Displacement (6.0 s to 14.0s): Calculate the difference in position.

    • Average Velocity (2.0 s to 6.0 s): Calculate total displacement divided by total time.

    Problem Solving

    • Average Velocity (Driving): Divide the total distance traveled by the total time taken.

    • Cheetah's Distance: Multiply the speed by the time.

    • Distance Traveled (Block Walk): Add the lengths of all segments of the path.

    • Displacement (City Block Walk): Determine the net change in position from start to end.

    • Speed (Block Walk): Distance divided by time (100s).

    • Velocity (Block Walk): Net displacement divided by time.

    • Runner's Time: Divide the distance by the constant speed.

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    Description

    Test your understanding of key concepts in physics related to distance, displacement, and motion. This quiz will cover topics such as vector quantities, position-time graphs, and calculations involving speed and time. Challenge yourself and see how well you grasp these fundamental principles!

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