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graphs
problems
speed
acceleration
100
On a speed vs time graph a negative slope indicates what
What is decreasing speed?
100
Calculate the speed of a ball that travels 200 meters in 2 seconds?
What is 100m/second
100
velocity is speed with ____________
What is direction
100
The rate in change of velocity is _____
What is acceleration
200
On a distance vs time graph what is the dependent variable is what
What is distance.
200
Moving from 0m/s to 25 m/s in 8 seconds equals an average acceleration of
What is 3.1 m/s/s
200
In order for motion to occur the force acting on it must be _____________.
What is unbalanced
200
A speed vs time graph represents
What is acceleration
300
On a distance vs time graph a flat line represents what
What is an object at rest.
300
During a race a sprinter increases his speed from 5.0 m/s to 7.5 m/s in 1.25 seconds. What is his average acceleration
What is 2 m/s/s
300
The rate of change in position at a given point in time is _____
What is instantaneous speed
300
acceleration indicates ____forces (unbalanced or balanced)
What is unbalanced
400
On a speed vs time graph constant acceleration is represented by what kind of line
What is a straight flat line.
400
How far can a worm travel going a a speed of 0.05 m/s in 45 seconds?
What is 2.25 meters
400
total distance/total time
What is average speed
400
any change over time
What is a rate
500
Displacement must always indicate
What is direction
500
A powerboat decelerates from 99.8 km/h to 0 in 10.0 seconds. What is its deceleration rate?
What is -9.98 km/h/s
500
the distance and direction an object moves from its starting point
What is displacement
500
When an object is accelerating its speed is _______.
What is changing