Distance and Displacement
Speed and Velocity
Acceleration
Miscellaneous
100
A system of objects that are not moving with respect to one another
What is a frame of reference?
100
________ is computed for the entire duration of a trip, and ____________ is measured at a particular instant
What is average speed and instantaneous speed?
100
The rate at which velocity changes.
What is acceleration?
100
Acceleration is rarely constant, and motion is rarely in a straight line true or false.
What is true?
200
As the train moves past a platform, people standing on the platform will see those on the train speeding by.
What is relative motion?
200
The formula for average speed.
200
_____is the movement of an object toward Earth solely because of gravity and has a numerical value of ____.
What is a Free Fall and 9.8m/s^2?
200
Two velocities of an object are combined by using
a. division of the larger velocity by the smaller velocity.
b. addition of the two speeds.
C. vector addition.
D. numeric addition.
What is C?
300
_______ is the length of the path between two points. _______is the direction from the starting point and the length of a straight line from the starting point to the ending point.
What are distance and displacement?
300
Is a description of both speed and direction of motion.
What is Velocity?
300
A steady change in velocity.
What is constant acceleration?
300
If an object experiences a steady velocity change in a straight line, it is undergoing constant acceleration
What is True?
400
SI unit for measuring distance
What is (m) meter?
400
A person jogs 4.0 kilometers in 32 minutes, then 2.0 kilometers in 22 minutes, and finally 1.0 kilometer in 16 minutes. What is the jogger’s average speed in kilometers per minute
What is 0.10 km/min?
400
The formula for acceleration.
400
3.If you walk across town, taking many turns, your displacement is the
a. total distance that you traveled.
b. distance and direction of a straight line from your starting point to your ending point.
c. distance in a straight line from your starting point to your ending point.
D.direction from your starting point to your ending point
What is B?
500
_____ the magnitudes of two displacement vectors that have the same direction.
Two displacement vectors with opposite directions are _____ from each other
What are add and subtract?
500
A kayak is moving across a stream that is flowing downstream at a velocity of 4 km/h. The kayak’s velocity is 3 km/h. What is the magnitude of the kayak’s velocity relative to the river bank?
What is 5km/h?
500
A boy throws a rock straight up into the air. It reaches the highest point of its flight after 2.5 seconds. How fast was the rock going when it left the boy’s hand?
What is -25mls?
500
3.Lisa plotted time in seconds on the x-axis of a line graph and distance in centimeters on the y-axis. Her plot showed a straight line from (0,0) to (10, 20). What is the speed?
a.0.5 cm/s
b.2 cm/s
c.10 cm/s
d. 20 cm/s
What is B?