1.3 Do Now

Match the following quantities with their symbols

• t

• initial velocity

  (before)

• average velocity

• v_f

• distance

• d

• time

• v_i

• final velocity

  (after)

What is the speed of car Y? Show appropriate units.

Describe what is happening to the speed of car B? How do you know from the graph? (as time increases...)

What is the equation for average speed?

Match the following quantities with their definitions

• motion sensor

• distance traveled / time taken

• speed

• speed in a given direction

• distance

• change in velocity / time taken

• velocity

• the length of the actual path an object takes

• acceleration

• an object that measures distance using sound