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

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Answer 1 · 2018-03-14T01:35:34

Speed = Distance/Time $rArr S = d/t$

Here the distance between the two points is

$d = sqrt((-2+1)^2+(-5-4)^2+(1-3)^2)$ units

$rArr d = sqrt(1+81+4)$ units

$rArr d =9.27$ units

$:. S = d/t$

$rArr S = 9.27/2$ = $4.635$ units $/s$

What is the speed of an object that travels from ( -2, -5, 1 ) ( -2, -5, 1 ) to ( -1,4,3 ) ( -1,4,3 ) over 2 s2 s?