Reference point for describing the motion os the planets in our solar system?
What is the sun?
100
The SI unit for speed is ....
What is m/s?
100
True or False: A train is slowing down, it is accelerating.
What is true?
100
Object is in motion if it changes position relative to a reference point.
What is motion?
100
Steepness of a line on a graph is called this.
What is slope?
200
There are 1,000 ________ in a meter.
What is millimeters?
200
rise / run
What is slope?
200
An airplane is accelerating at 8m/s^2. Each second its speed increases by _______m/s.
What is 8 m/s?
200
Unit of length is a meter.
What is SI?
200
A car approaching a red light is an example of ...
What is deceleration?
300
There are 1,000 meters in a ______.
What is kilometer?
300
A speedometer shows the ____ speed of a vehicle.
What is instantaneous?
300
True or False: A Ferris Wheel turning at a constant speed of 5m/s is accelerating.
What is True?
300
Distance / Time
What is speed?
300
Rate of which velocity changes.
What is acceleration?
400
Length of the path between two points.
What is distance?
400
A distance vs. time graph will never show this kind of line.
What is vertical?
400
An airplane is flying west at 200 km/h. Two hours later, it is flying west at 300 km/h. its average acceleration is..... km/h^2.
What is 50 km/h^2?
400
Speed and direction.
What is VELOCITY?
400
If you know a car traveled 300km in 3 hrs, you can fin its ...
What is average speed?
500
Which (SI) unit of measure would you use to measure the distance from Washington D.C. to Baltimore, MD?
What is km?
500
Alfonso ran the 1000 meter race in 2.5mins. Alfonso's average speed was.....
What is 400m/min?
500
An amusement park ride falls straight down for 4 seconds. During this time, the ride accelerates from a speed of 0m/s to 40m/s. The rides rate of acceleration during the 4 seconds is _____m/s^2.
What is 10 m/s^s?
500
In science, this refers to increasing speed, decreasing speed, or changing direction?
What is acceleration?
500
A straight diagonal line on this graph indicates constant speed.