Chapter 1: Describing Motion

If the library is 2 blocks east of the park and 3 blocks west of the school, where is the school relative to the park?

Which of the following would best describe the position of an object in two dimensions?

If you walk 2 km from your home to the store then back again, what is your displacement?

The graph gives the distance each girl swam with time. Who swam at a constant speed for the entire race?

If you tell someone that the swing set is 10 m from the dead tree in the direction of the oak tree, what is your reference point?

What was Julie’s average speed (in meters/second) after 30 minutes?

What happened to Julie during the time between 10 and 20 minutes?

Which line on this graph represents a duck that starts out swimming slowly, then speeds up?

When does something accelerate in the direction opposite to its direction of motion?

What is acceleration?