Acceleration
What is acceleration?
The rate at which an object's velocity changes over time
What is speed?
The rate at which an object changes its position
What is motion?
A change in an object’s position relative to reference point
What was Pangaea?
continents formed a supercontinent
What are bar graphs typically used for in physics?
To compare different sets of data
What can cause an object to accelerate
A change in direction
A car travels 150 kilometers in 3 hours. What is its average speed?
50km/h
What is the SI unit for measuring motion?
Meter
The San Andreas Fault is an example of what type of plate boundary
Transform
What is the average body temperature of a healthy human in degrees Celsius?
37°C
Which of the following is the SI unit of acceleration?
Meter per second squared (m/s(^2))
If a runner maintains a average speed of 88 meters per second, how far will they run in 55 seconds?
1.6
What is displacement?
The shortest path between the starting and ending points
What is a possible consequence of the movement of tectonic plates along the San Andreas Fault?
Earthquakes
How is density calculated?
By dividing mass by volume
If a car increases its velocity from 10 m/s10m/s to 30 m/s30m/s in 5 seconds5seconds, what is its acceleration?
2 m/s22m/s2
How can you find the instantaneous speed of an object?
By observing the speed at a specific moment
How do you find displacement?
Calculate the difference between the final and initial positions
Which process explains how continents drift apart over time
Plate tectonics
What is a scientific theory?
tested explanation of a natural phenomenon
A bike rider slows down from 15 m/s15m/s to 5 m/s5m/s over 2 seconds2seconds. What is the bike’s acceleration?
−3m/s2
On a distance-time graph, what does a x axis represent?
time
When can displacement be added?
When the paths have the same direction
what are the 3 different plate tonics
Divergent, Convergent, Transform
Which of the following best describes a scientific law?
brief statement that describes a consistent natural phenomenon