# What is the speed of an object that travels from #( 1, -2, 3 ) # to #( -5, 6, 7 ) # over #4 s#?

##### 1 Answer

Jan 25, 2016

#### Answer:

#### Explanation:

The distance between the 2 given 3-dimensional points may be found from the normal Euclidean metric in

Therefore the speed of the object by definition would be the rate of change in distance and given by