Velocity and Speed

Front

What is the definition of speed?

Back

Speed is the distance traveled per unit of time, typically expressed in units such as meters per second (m/s) or miles per hour (mi/hr).

Front

What is the definition of velocity?

Back

Velocity is the speed of an object in a specific direction, making it a vector quantity.

Front

What is the formula to calculate speed?

Back

Speed = Distance / Time

Front

What is the unit of speed in the International System of Units (SI)?

Back

The unit of speed in SI is meters per second (m/s).

Front

If a car travels 60 miles in 1 hour, what is its speed?

Back

60 miles/hr

Front

What does a speed-time graph represent?

Back

A speed-time graph shows how speed changes over time, indicating acceleration or deceleration.

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

How do you convert speed from miles per hour to meters per second?

Back

To convert mph to m/s, multiply by 0.44704.

Front

A runner travels 100 meters in 10 seconds. What is their speed?

Back

10 m/s

Front

What does a horizontal line on a distance-time graph indicate?

Back

A horizontal line indicates that the object is not moving (constant distance).