Vocabulary
A point against which direction is measured.
What is a reference point?
The ratio of the distance an object moves to the amount of time needed to travel the distance.
What is speed?
The SI unit of speed is measured in this.
What is meters per second?
What is someone measuring when they get 14m south?
What is displacement?
Depending on its direction, acceleration can
What is “speed up or slow down an object”?
The direction an object moves and the ratio of the distance to the amount of time needed to travel the distance.
What is velocity?
The ratio of the total distance traveled to the total time of the trip
What is Average Speed?
What is the relative speed of two objects going in the same direction?
relative speed = s1- s2
On a distance-time graph for acceleration, a flat horizontal line shows this.
What is constant speed?
A trip to Destin, Fl takes 10 hours. The distance is 814 km. Calculate the average speed.
A physical measurement that contains both magnitude (number) and directional information.
What is vector quantity?
A physical measurement that contains only magnitude (number) and does not contain directional information.
What is scalar quantity?
the equation for speed
What is distance/time or v=d/t
The slope of a line on a distance-time graph.
What is speed?
When calculating acceleration, -10 ft/s2 East really means...
What is 10 ft/s2 West?
The distance an object travels plus the direction from the starting point.
What is Displacement?
The length of a path between two points.
What is this the equation for: vf - vi / t ?
Acceleration
What is someone measuring when they have 13.2m/s east?
What is velocity?
A curved line on a graph indicated what?
Acceleration
The time rate of change of an object’s velocity.
What is acceleration?
The rate at which an object is moving at a given moment in time.
What is Instantaneous Speed?
What is the equation for relative speed of two objects going in opposite directions?
relative speed = s1 + s2
What is someone measuring when they get 10m?
What is distance?
The graph of a moving object would look like this.
What is having an incline with a positive slope?