PS Motion, Speed and Acceleration Flashcard S25

Front

What is velocity?

Back

Velocity is the speed of an object in a specific direction. It is a vector quantity.

Front

How do you calculate average speed?

Back

Average speed is calculated by dividing the total distance traveled by the total time taken.

Front

What is acceleration?

Back

Acceleration is the rate of change of velocity of an object. It can be calculated as (final velocity - initial velocity) / time.

Front

What is the difference between distance and displacement?

Back

Distance is the total path length traveled, while displacement is the shortest straight line from the initial to the final position.

Front

What is a reference point?

Back

A reference point is a stationary object used to determine the position of another object.

Front

What is the formula for calculating acceleration?

Back

Acceleration (a) = (final velocity (v) - initial velocity (u)) / time (t).

Front

If an object travels 12 meters in 10 seconds, what is its velocity?

Back

1.2 meters per second south.

Front

If a roller coaster accelerates from 6.0 m/s to 70 m/s in 4 seconds, what is its acceleration?

Back

16 m/s².

Front

What is the average speed of a person who travels 100 km in 5 hours?

Back

20 km/h.

Front

Which of the following is NOT a good reference point?

Back

A moving child.