Conversions
How many seconds in 7 minutes?
420 seconds
A car speeds up from 10 m/s to 30 m/s in 5 seconds. What is the car’s acceleration?
4 m/s2
Is distance a scalar or vector?
Scalar
Is displacement a scalar or vector?
Vector
If Estefani has a displacement of -30 m for an interval of 20 s what is her velocity?
1.5 m/s
Convert 30,000 m into km.
30 km
Name the 3 ways you can have acceleration.
1) Speed up
2) Slow Down
3) Change Directions
Name 3 units of distance?
m, km, mm, cm, mi, feet, inches
A student walks –250 m west to a friend’s house. What is the displacement?
-250 m
Jimmy has a speed of 50 m/s what is his time traveled if the distance was 100 m.
2 seconds
How many inches are in 3 ft
36 inches
A ball slows down from an initial velocity to 0 m/s in 8 seconds with a constant acceleration of –2 m/s². What was the ball’s initial velocity?
16 m/s
Jimmy went 8 m east then 5 m north, what is his total distance?
13 m
A runner jogs +400 m east, then walks –100 m west. What is the runner’s total displacement?
+300 m
A walker moves –90 m west in 30 seconds. What is their average velocity?
-3 m/s
Convert 4,600 mm to km
0.046 km
A bike starts from rest and accelerates at 2 m/s² for 6 seconds. What is its final velocity?
12 m/s
Sandy traveled 300 meters to the gas station. Then she skated 1000 meters to her friends house when her mother called her to come for dinner. She had to skate 1200 meters home. What was her total distance?
2,500 meters
Jimmy went 8 m east then 5 m north, what is his displacement?
9.43 m
A car moves with an average velocity of –20 m/s for 12 seconds. What is its displacement?
-240 m
Convert 6 km/s to m/s
6000 m/s
A car accelerates from 5 m/s to 25 m/s at a rate of 4 m/s². How long does it take to reach the final velocity?
5 sec
A cyclist rides at an average speed of 12 m/s for 50 seconds. How far does the cyclist travel?
600 m
What is the formula for displacement?
Xf - Xi
A student jogs 1,200 meters in 5 minutes. What is their average speed in m/s?
4 m/s