Metric Prefixes
Motion
Vectors and Motion Graphs
Free Fall
Kinematics
100
How many meters are in a kilometer?
1000
100
Another term for “distance” in a certain direction.
Displacement
100
A vector has two parts, what are they?
(hint, it’s not head and tail)
Magnitude (length) and direction
100
What is the acceleration due to gravity?
9.8 m/s2
100
Acceleration is defined as a change in _______ over a change in _______.
velocity, time
200
What metric prefix
represents 10-9
nano
200
Speeding up OR changing direction are both examples of this.
Acceleration
200
During which segment of this graph does the person stop?
C
200
Is the following object speeding up, or
slowing down?
- - - - - - - --[]
slowing down
200
An object goes from a velocity A to a velocity B in C seconds. Which kinematics equation would you use to solve for the acceleration?
vf = vi + at
300
What is the symbol and power of 10 for micro?
u, 10-6
300
The amount of distance an object covers in a given amount of time, including its direction.
velocity
300
What is the velocity of the person during segment B of this graph?
6 m/s
300
When an object is thrown straight up, what is the y-velocity at the very top?
0 m/s
300
What are the units for acceleration, velocity, and displacement in that order
m/s2, m/s, m
400
How many millimeters are in a megameter?
1 billion
109
1,000,000,000
400
A car travels 240 m in 1 minute. What is the speed of the car in m/s?
4 m/s
400
What is the magnitude and direction of the resultant when you add a 3m vector that points west and a 4 meter vector east?
1 m east
400
An object is thrown straight up with an initial y-velocity of 10 m/s. What is the y-velocity when it comes back to the same height it was thrown from?
-10 m/s
400
If an object starts at rest and accelerates at a rate of 5 m/s2 for 12 seconds, what is that objects final speed?
60 m/s
500
How many m/s is 516.2 km/hr?
143.39 m/s
500
If a bowling ball starts at a velocity of 5 m/s and slows down to 2 m/s in 1.5 seconds before it hits the pins, what was its deceleration?
2 m/s2
500
This graph shows a person moving ____________ (direction) while _________ their speed.
backwards, increasing
500
An object is thrown straight up with an initial velocity of 19.62 m/s, how long does it take to reach the max height in its trajectory?
2 seconds
500
A guy has an initial velocity of 10 m/s and accelerates at a rate of -.1 m/s2 for 1.5 minutes. How far has he gone in 1.5 minutes?
495 m