# An object travels North at #6 m/s# for #4 s# and then travels South at #3 m/s# for #5 s#. What are the object's average speed and velocity?

##### 1 Answer

#### Explanation:

Calculating the average speed is very easy but I'm first doing average velocity because it requires more attention

Where A is the point where the object started from

N is north and S is south and is considered the midway between north andsouth. In our real earth that's equator

O is the object

The main trick here is to measure the distance between A and the point where the car stops.

Distance covered towards North

It is 24meters ahead of A towards north direction

It can be represented like this

Distance between A and O = 24m

Now calculate the distance moved towards South

Distance moved from A

= 24m -15m = 9m

Time elapsed

4s + 5s = 9s

= 9m/9s = 1m/s is the velocity

Distance is the distance covered can be anywhere in any direction in any zigzag pattern means the object can move back and front , eft and right.

So distance covered = 24m + 15m = 39m

Time elapsed

4s + 5s = 9s

=