Speed and Velocity

Front

What is the formula to calculate speed?

Back

S = d/t

Front

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

Back

10 m/s

Front

Which of the following represents a velocity? 40 m, 40 m north, 40 m/s, 40 m/s north

Back

40 m/s north

Front

mph is a unit for ...

Back

Speed

Front

________________ is a unit of speed.

Back

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 car travels 100 km in 2 hours, what is its average speed?

Back

50 km/h

Front

What does the term 'constant speed' mean?

Back

Constant speed means an object covers equal distances in equal intervals of time.

Front

What is acceleration?

Back

Acceleration is the rate of change of velocity over time.

Front

What is the unit of acceleration?

Back

m/s² (meters per second squared)