1.3 Do Now

Match the following quantities with their symbols

• t

• distance

• final velocity

  (after)

• v_i

• initial velocity

  (before)

• v_f

• time

• d

• average velocity

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

• speed

• an object that measures distance using sound

• motion sensor

• the length of the actual path an object takes

• velocity

• speed in a given direction

• acceleration

• distance traveled / time taken

• distance

• change in velocity / time taken