No student devices needed. Know more
17 questions
Acceleration can be... (select all that apply)
speeding up
slowing down
staying at constant speed
changing directions
Velocity is different from speed because...
Velocity is distance/time. Speed is displacement/time.
Velocity is speed in a certain direction and can be positive or negative.
Speed is velocity in a certain direction. Both can only be positive.
Velocity is how much speed changes over time.
What is the equation for velocity?
Select the equation for acceleration.
Select the equation for speed
Select all the scenarios that represent acceleration of the car.
This chart represents the velocity of a motorcycle over time. Select the correct statement regarding the motorcycle's movement.
The motorcycle is speeding up.
The motorcycle has 0 acceleration.
The motorcycle is slowing down.
The motorcycle has constant acceleration.
This chart represents the velocity of a bicycle over time. Select the correct statement regarding the bicycle's movement.
The bicycle has constant velocity.
The bicycle has constant speed.
The bicycle is accelerating.
The bicycle has 0 acceleration.
The image shows two cars with the same speed moving in different directions. What is true about the velocity of the cars?
Each car has the same velocity because the speeds are the same.
Each car has a different velocity because they are going in different directions.
The slope of this position vs time graph is?
Constant
Increasing
Decreasing
0
The slope of this position vs time graph is...
Constant
Increasing
Decreasing
0
A change in velocity requires the application of a ___________.
sound
magnet
forehead
force (push or pull)
A coffee filter begins falling at position 0 and lands at position -10. What is the coffee filter's displacement?
-10
0
10
20
A horse accelerates from a velocity of 0m/s to 20 m/s in 3 seconds. What is the acceleration of the horse?
60 m/s2
6.67 m/s2
0.15 m/s2
30 m/s2
A train decelerates from a velocity of 90 m/s to 80m/s in over 10 seconds. What is the train's acceleration?
-1 m/s2
1 m/s2
10 m/s2
-10 m/s2
An elevator moves from rest to 2 m/s over 8 seconds. What is the elevator's acceleration?
16 m/s2
-8 m/s2
0.25 m/s2
2 m/s2
A car begins at position x = 10 and travels to position x = -30. What is the car's displacement?
-40
40
10
30
Explore all questions with a free account