Speed and Velocity

Front

What is speed?

Back

Speed is the distance traveled per unit of time, typically measured in km/h or m/s.

Front

What is the formula to 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 velocity?

Back

Velocity is speed in a specific direction.

Front

How do you calculate average speed?

Back

Average speed = Total distance / Total time.

Front

What is the difference between speed and velocity?

Back

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

Front

If a runner completes a 400 meter lap in 50 seconds, what is her average speed?

Back

8 m/s.

Front

What is the unit of speed in the metric system?

Back

Kilometers per hour (km/h) or meters per second (m/s).

Front

An object moves at a constant speed of 20 m/s for 4 seconds. How far does it travel?

Back

80 meters.

Front

What is instantaneous speed?

Back

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