Chap. 1 Kubalsky
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The starting point you choose to describe the position/location of an object. | reference point
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| An object's distance and direction from a reference point. | position
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| The process of changing position. | motion
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| The difference between the initial (first) position and the final position of an object. | displacement
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| A measure of the distance an object travels per unit of time. | speed
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| The rate of change of position in which the same distance is traveled each second. | constant speed
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| Speed at a specific INSTANT in time. | instantaneous
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| The total distance traveled divided by the total time taken to travel that distance. | average speed
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| The speed and direction of a moving object. | velocity
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| A measure of the change in velocity during a period of time. | Acceleration
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| TRUE or FALSE The distance an object moves is the actual length of its path. | True
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| You can calculate units of speed by dividing the ____________ ________________by the ________it takes to go that distance. | distance traveled (s=d/t)
time
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| What can you use to show the relationship between speed and time and to determine information about the acceleration of an object? | A speed-time graph
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| The __________of an object can be described by the object's position, velocity, and acceleration. | motion
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| To calculate acceleration: subtract final ______ from initial ______. Subtract lesser ______from greater _______. ___________speed by time. | speed
time
Divide
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| What are three ways an object can accelerate? | Speeding up, slowing down, changing direction
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| What are ways velocity can change? | When the speed of an object changes, when the direction of an object changes, or when both speed and direction change,
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| How can you describe the position of an object in two dimensions? | Use two directions to describe it.
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| What's the difference between distance and displacement? | Distance is the length of the path. Displacement is the difference between the first position and the final position.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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