Motion in One Dimension

Front

What is the formula to calculate speed?

Back

Speed = distance/time

Front

What is the average speed of an object that travels 5 meters in 5 seconds?

Back

1 m/s

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

Total distance divided by total time is known as?

Back

average speed

Front

What is the displacement of Bill who runs 400 meters to Andy's house and back?

Back

0 meters

Front

Define instantaneous speed.

Back

The speed of an object at a specific moment in time.

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity; velocity is a vector quantity that includes direction.

Front

What is acceleration?

Back

The rate of change of velocity per unit time.

Front

If an object is moving with constant speed, what can be said about its acceleration?

Back

The acceleration is zero.

Front

What is the formula for calculating average acceleration?

Back

Average acceleration = (final velocity - initial velocity) / time taken