# What is the speed of an object that travels from #( 8 , 4, 1 ) # to #( 6 , -1, 6 ) # over #4 s#?

##### 1 Answer

Jan 21, 2016

First of all let us find find the distance between the two given points.

The distance formula for Cartesian coordinates is

Where

Let

Hence the distance is

If the units is meter then