Displacement
Velocity
Acceleration
Motion
100
Displacement is... A. A vector B. Distance traveled C. Distance traveled in a direction D. Both A and C
D
100
What is the definition of velocity?
The rate of distance traveled per unit time, with a direction.
100
Acceleration is _______
change of velocity
100
Which of the three terms do we use to describe motion?
Velocity
200
What is our unit for displacement?
meters (m)
200
The units that we use for velocity are...
meters per second (m/s)
200
Acceleration has a ________ and a direction
Size, magnitude, value are all correct answers
200
If an object is flying in a circle at a constant speed, what can we say about its acceleration?
It is NOT zero
300
Displacement appears in _______ of our 4 equations
2
300
To find velocity we can do it two ways, name both
V = d/t and V = a * t
300
If you are traveling to the North but slowing down, what direction is your acceleration vector?
To the south
300
A car driving along the highway at 65 miles per hour has... TWO ANSWERS
Constant velocity, no acceleration
400
What is the distance traveled if a person rides the bus 10 miles in to work, 5 miles to a friends, and then 12 miles back home?
27 miles
400
True or False: Velocity is the change in an object's speed
False
400
Acceleration has units of ________
Meters per second per second (m/s/s) or meters per second squared (m/s^2)
400
A ball rolling down a ramp has... _______ acceleration _______ velocity
Constant acceleration Increasing negative velocity
500
What is the displacement of a person who rides the bus 10 miles to work, 5 miles to a friends, and then 12 miles home?
0
500
Velocity is how we describe an object's _______
Motion
500
True or False, an object going really fast has a high acceleration.
False
500
A bicyclist travels 10 m after 1 second, 25 meters after 2 seconds, 45 meters after 3 seconds and 70 meters after 4 seconds. What can we say about her velocity? What can we say about her acceleration?
Velocity is increasing Acceleration is constant and in the same direction as the velocity
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