Question

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

Answer 1

2,35 m/s

Explanation:

to calculate the speed you must know the distance that i suppose in straight line and in meters. You can calculate the distance with the Pigagora's theoreme in the space:
`d= sqrt (DeltaX^2+ Delta Y^2 +Deltaz^2)=sqrt(3^2+(-2)^2+ (-3)^2)=sqrt(22) = 4,7 m`
`v= (deltas)/(deltat) = (4,7 m)/(2s) = 2,35 m/s`