What is the formula for speed or velocity?
Speed = Distance / Time
What is the formula for acceleration?
Determine the total displacement.
----------------> and ---------->
10 m East 4 m East
14 m East
Describe the motion displayed on the graph.
acceleration
A car is traveling South at a speed of 3 meters/sec. As the car approaches a billboard, what is the speed and direction of the billboard from the driver's frame of reference?
3 m/s North
What does (-) acceleration mean?
slowing down, deceleration
Determine the total displacement.
----------------> and <----------
8 m East 3 m West
5 m East
Describe the motion on the graph.
stationary. no motion
What is the average speed of a cow that walks 50 meters in 60 seconds?
.8 m/s
A cheetah goes from stop to 60m/s in 5 seconds. What is the acceleration of this cheetah?
12 m/s2
Determine the total displacement.
<---------------- and ---------->
100 m West 40 m East
60 m West
Which line represents the object with the SLOWEST velocity?
B
A porcupine moved toward a pond at a speed of 5 m/s. It took him 8 seconds. What was the distance he traveled?
40 meters
a driver slams on brakes and goes from 45 m/s to 0 m/s in 5 seconds. What is the acceleration?
- 9 m/s2
What is the difference in a scalar quantity and a vector quantity?
vector includes direction
Describe the motion on the graph.
(-) velocity. Returning to starting position
How long does it take for a car to travel 300 miles if it is moving at an average speed of 65 mph?
4.6 hours
A hockey play accelerates at 2 m/s2 . How long does it take him to changes his velocity from 5 m/s to 10 m/s.
2.5 seconds
I walked 50 meters to class, then 10 meters to the pencil sharpener, and finally 5 meters to the trashcan. What was the TOTAL DISTANCE walked?
65 m
Calculate the velocity using this graph
constant velocity of 10 m/min