Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
21 Cards in this Set
- Front
- Back
|
_______ is a measure of the distance an object travels per unit of time |
speed |
|
|
units of speed are units of __________ divided by units of time |
distance |
|
|
the SI unit for speed is _________ |
meters per second |
|
|
_____ is the rate of change of position in which the same distance is traveled each second |
constant speed |
|
|
__________ is the speed at a specific instant in time |
instantaneous |
|
|
_________ is the total distance traveled divided by the total time it took to go that distance |
average speed |
|
|
the equation for average speed is V=d/t, where the symbol v stands for average speed, d stands for ________ , and t stands for total time |
total distance |
|
|
graphs that compare distance and time are called __________ |
distance time graphs |
|
|
constant speed is shown as a __________ line on a distance time graph |
straight |
|
|
distance time graphs can be used to compare the ______ of two different objects |
? |
|
|
________ lines on a distance time graphs indicate faster speeds |
slope of the |
|
|
distance time graphs can be used to __________ the average speed of an object |
calculate |
|
|
the difference in _________ between two points is divided by the difference in _______ between the same to points |
distance. time |
|
|
when the slope of a line on a distance time graph decreases, it means taht the speed of the objects is ? |
decreased |
|
|
an ___________ line on a distance time graph indicates that the motion has stopped |
horizontal |
|
|
when the slope of a line on a distance time graph increases, it means that the speed of the object is __________ |
increasing |
|
|
even when the speed of an object isnt __________, its average speed can be calculated from a distance time graph |
average |
|
|
_________ is the speed and the direction of a moving object |
velocity |
|
|
the velocity of an object can be represented by a _______ |
arrow |
|
|
the length of the arrow indicates __________. the arrow point in the direction of the objects __________ |
speed. motion |
|
|
velocity ___________ when the speed of an object changes, when the direction in which the object is moving changes, or when the speed and the direction change |
changes |
