Aflea walking along a ruler moves from the 45 cm mark to the 27 cm mark. it does this in 3 seconds. what is the speed? what is the velocity?
(define increasing numbers to be the positive direction and decreasing numbers to be the negative direction.)

Speed= 6cm/s and velocity= 6cm/s in the negative direction

Explanation:

the change in position is from 45cm to 27 cm (moving towards the negative x direction)

And the change in time:

Now we must define the difference between speed and velocity:

Speed is a scalar quantity, which means that it is a number. Velocity is also a number but you must also indicate the direction of the movement.

Thus, the speed is:

An the velocity is:

6cm/s in the negative direction

its c i just checked it

where’s the list ? the question is incomplete