Speed and Velocity

Front

What is speed?

Back

Speed is how much distance is covered over a period of time.

Front

What is velocity?

Back

Velocity is both speed and direction.

Front

Calculate the time taken if a car moves a distance of 1000 m with an average speed of 28 m/s.

Back

36 seconds.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time.

Front

If a runner completes a 100 meter dash in 10 seconds, what is her average speed?

Back

10 m/s.

Front

What does a speed-time graph represent?

Back

It shows how speed changes over 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

In which graph are both runners moving at the same speed?

Back

Graph D.

Front

What is the unit of speed in the metric system?

Back

Meters per second (m/s).

Front

If a car travels 200 km in 2 hours, what is its average speed?

Back

100 km/h.