Speed and Velocity

Front

What is speed?

Back

Speed is the distance traveled per unit of time, typically measured in meters per second (m/s) or kilometers per hour (km/h).

Front

What is velocity?

Back

Velocity is the speed of an object in a specific direction. It is a vector quantity, meaning it has both magnitude and direction.

Front

How do you calculate speed?

Back

Speed = Distance / Time.

Front

If a car travels 150 km in 3 hours, what is its speed?

Back

50 km/h.

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity (only magnitude), while velocity is a vector quantity (magnitude and direction).

Front

What units are commonly used to measure speed?

Back

Meters per second (m/s) and kilometers per hour (km/h).

Front

If a runner completes a 400-meter lap in 50 seconds, what is their speed?

Back

8 m/s.

Front

What is average speed?

Back

Average speed is the total distance traveled divided by the total time taken.

Front

If a cyclist travels 30 km in 1.5 hours, what is their average speed?

Back

20 km/h.

Front

What is instantaneous speed?

Back

Instantaneous speed is the speed of an object at a specific moment in time.