An object is at rest at #(5 ,2 ,8 )# and constantly accelerates at a rate of #2/5# #ms^-2# as it moves to point B. If point B is at #(6 ,3 ,2 )#, how long will it take for the object to reach point B? Assume that all coordinates are in meters.
2 Answers
Feb 26, 2018
First we find the distance between the two points:
Then we know
Feb 26, 2018
The time is
Explanation:
The distance
Apply the equation of motion
The initial velocity is
The acceleration is
Therefore,