The rate at which an object moves a certain distance.
speed
What is a change in velocity or direction?
acceleration
What is the acceleration of an object that has a final velocity of 53 m/s, an initial velocity of 5m/s, and a time of 25 seconds.
1.92 m/s2
What are meters used to measure?
What is the unit for distance?
Constant speed
What is unique about circular motion?
The direction is always changing.
How fast an object moves over a certain distance in a direction.
What is velocity?
What is negative acceleration?
When an object slows down.
The acceleration of an object starting from rest with a velocity of 98 m/s in 5 seconds.
19.6 m/s2
The equation used to solve for distance in the speed/velocity equation.
What is distance = speed x time?
The symbol used for gravity
g
What other two variables besides velocity are needed to calculate velocity?
distance and time
An object that is not accelerating is moving in a ____________.
What is moving at a constant speed and direction.
What is the acceleration of an object with an initial velocity of 100 m/s and a final velocity of 20 m/s in 60 seconds.
-1.3 m/s2
Solving for time in the velocity/speed Equation.
What is time = distance/speed?
What does Free fall mean?
An object that is motionless on a distance-time graph is represented by a ____________.
What is a flat horizontal line.
Speeding up, slowing down, or changing directions.
What are examples of acceleration?
The acceleration of an object with a time of 0.25 seconds and a change in velocity of 32 m/s.
What is 128 m/s2?
what are the units of acceleration
m/s2
s2
What is the acceleration of gravity?
9.8 m/s2
The slope on a distance time graph represents _________.
velocity
A graph can be described as
The acceleration of an object with an initial velocity of 15 mph and a final velocity of 45 mph in 30 minutes. Hint...convert time to hours.
What is 60 mi/h2?
The equation used to solve for acceleration.
What is a = final speed - initial speed / time
If a train is moving at 539 m/s and slows down to 271 m/s when approaching a curve in the track in 8 seconds. What is the rate of deceleration?
271-539/8
a= -33.5 m/s2