Calculating Speed

Front

What is speed?

Back

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

Front

If a bus travels 110 km at a speed of 55 km/hr, how long does it take?

Back

It takes 2.0 hours.

Front

What is a unit of distance?

Back

mi (miles) is a unit of distance.

Front

What is a unit of time?

Back

sec (seconds) is a unit of time.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time.

Front

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

Back

The speed is 50 km/hr.

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

What is average speed?

Back

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

Front

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

Back

The speed is 8 m/s.

Front

What does it mean if an object is moving at a constant speed?

Back

It means the object covers equal distances in equal intervals of time.