Distance & Displacement
Distance if you walk 10 meters to the right, 10 meters to the left, and then 20 meters to the right.
What is 40 meters?
Distance over time
What is speed?
What is velocity?
Solve for t:
x = vt
What is t = x/v?
Δx
What is displacement?
Displacement if you walk 10 meters to the right, 10 meters to the left, and then 20 meters to the right.
What is 20 meters to the right?
Displacement over time
What is velocity?
On a graph, how you can tell if one line has a higher speed than another.
What is looking at the steepness?
Solve for xi:
xf = xi + vt
xi = xf - vt
units of velocity
What is meters per second (m/s)?
Your displacement on two full 400 meter laps on a track.
What is zero meters?
The velocity of an object that has zero displacement.
What is zero?
How you represent zero velocity on a position time graph.
What is with a horizontal line?
Solve for t:
d = 1/2 a t2
Velocity times time has units of ___.
What is meters?
The velocity of an object that has a speed of 4 m/s to the left.
What is -4 m/s?
The y-intercept of a position-time graph tells you this variable.
What is initial position (xi)?
Solve for t:
xf = xi + vt
What is (xf - xi) divided by v?
Units of velocity divided by time
What is meters per second per second (m/s/s), or meters per second squared?
When xf is to the right of xi, your displacement is ___.
What is positive?
The kind of motion are we studying in this chapter.
What is uniform motion?
This is how you represent two lines on a graph that have equal speed but opposite direction.
What is having the same steepness, but one has a positive slope and the other has a negative slope?
Solve for a:
vf2 = vi2 + 2aΔx
What is (vf2 - vi2) divided by 2Δx?
The symbol for the variable equal to initial position plus displacement.
What is xf?