SPEED

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

Define average speed.

Back

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

Front

What units are commonly used to measure speed?

Back

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

Front

How do you convert speed from km/h to m/s?

Back

To convert km/h to m/s, divide the speed by 3.6.

Front

If a runner completes a 5 km race in 25 minutes, what is their speed in m/s?

Back

Speed = 5 km / (25 min * 60 sec/min) = 0.133 m/s.

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 cyclist travels 30 km in 1.5 hours, what is their speed in km/h?

Back

20 km/h

Front

What is instantaneous speed?

Back

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

Front

How do you calculate the time taken if you know the distance and speed?

Back

Time = Distance / Speed