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Speed/Velocity
Speed/Velocity Calculations
Acceleration
Acceleration Calculations
Equations and Units
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Final Jeopardy
100

The rate at which an object moves a certain distance.

speed

100
The velocity of a jogger that ran 321 meters in 70 seconds.
What is 4.6 m/s?
100

What is a change in velocity or direction?

acceleration

100

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

100

What are meters used to measure?

What is the unit for distance?

100
Speed that does not change is:

Constant speed

100

What is unique about circular motion?

The direction is always changing. 

200

How fast an object moves over a certain distance in a direction.

What is velocity?

200
The distance an object travels if the velocity is 26 m/s and the time is 23 seconds.
What is 598 meters?
200

What is negative acceleration?

When an object slows down.

200

The acceleration of an object starting from rest with a velocity of 98 m/s in 5 seconds.

19.6 m/s2

200

The equation used to solve for distance in the speed/velocity equation.

What is distance = speed x time?

200

The symbol used for gravity

g

300

What other two variables besides velocity are needed to calculate velocity?

distance and time

300
The time it takes an object to travel 198 meters at a velocity of 34 m/s.
What is 5.8 seconds?
300

An object that is not accelerating is moving in a ____________.

What is moving at a constant speed and direction.

300

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

300

Solving for time in the velocity/speed Equation.

What is time = distance/speed?

300

What does Free fall mean?

  • No forces act on the falling object except gravity
400

An object that is motionless on a distance-time graph is represented by a ____________.

What is a flat horizontal line.

400
The velocity of an object that travels 23 meters in 18 seconds.
What is 1.28 m/s?
400

Speeding up, slowing down, or changing directions.

What are examples of acceleration?

400

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?

400

what are the units of acceleration

m/s2

s2

400

What is the acceleration of gravity?

9.8 m/s2 

500

The slope on a distance time graph represents _________.

velocity

500
The distance an object travels if going a velocity of 8 m/s in 28 seconds.
What is 224 meters?
500

A graph can be described as 

  • A mathematical Diagram
  • A scientific model
  • A way to show relationships between variables
500

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?

500

The equation used to solve for acceleration.

What is a = final speed - initial speed / time

500

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