Scalars and Vectors
Is 40 m/s a vector or a scalar?
Scalar
You walk 5 meters in 10 seconds. What is your velocity?
0.5 m/s
You go from 0 to 30 m/s in 10 seconds. What is your acceleration?
3 m/s^2
What are the standard units for distance/displacement?
Meters
You walk 20 m East and then 10 m West. What is your DISTANCE?
30 meters
You walk 20 meters North and then 15 meters West in 10 seconds. What is your velocity?
2.5 m/s NW
You accelerate from 15 m/s to 27 m/s in 8 seconds. What is your acceleration?
1.5 m/s^2
What are the standard units for velocity?
m/s
You walk 20 m East and then 10 m West. What is your DISPLACEMENT
10 m East
You walk 8 meters North and then 3 meters South in 5 seconds. What is your velocity?
1 m/s North
What is acceleration due to gravity always equal to?
-10 m/s^2
What are the standard units for time?
s
You walk 30 m East and then 20 m North. What is your displacement?
You drive at 20 m/s North for 38 seconds. How far have you driven?
760 meters
A runner started to slow down after finishing a race, from 7 m/s to 3 m/s over 10 seconds. What was her acceleration?
-0.4 m/s^2
What are the standard units of acceleration?
m/s^2
What is the displacement on the Graph between 0 and 10 seconds? (Mr. Hardegree will pull up the graph)
DAILY DOUBLE
2 meters
You are traveling at 5 mph for 18 miles. How long did it take?
3.6 hours
A rocket began to decelerate at a rate of 24 m/s^2 from a velocity of 180 m/s to rest. How long did it take the rocket to stop?
7.5 seconds
What is 20 minutes in seconds?
1200 seconds
You accelerate at 4 m/s^2 from 3 m/s to 31 m/s. How long did it take you, in hours?
DAILY DOUBLE
0.0019 Hours