Your group is working to model motion of Triton (one of Neptune\'s 13 moons) aro

Question

Your group is working to model motion of Triton (one of Neptune's 13 moons) around Neptune. To begin, your group has decided to determine the gravitational force that Neptune exerts on Triton. Your group has written the position of Neptune relative to the Šun as rN-(Nx, Ny, N) and the position of Triton relative to the Sun as r rr, rTy, rrx) (a) Which of the following could your group use to describe the separation vector, r, pointing from Neptune to Triton? ncorrectr N IT Correct:r T -N You are correct. Your receipt no. is 162-4692 Previous Tries (b) Which of the following could be used to represent the distance, r, between Neptune and Triton? Select all that are True. Submit Answer Incorrect. Tries 1/3 Previous Tries

Explanation / Answer

(a)The distance will be represented by:

r = rT - rN

b)the distance between two vectors is given by:

r = sqrt [(x2 - x1)^2 + (y2 - y1)^2 + (z2 - z1)^2]

considering the general expression, correct ans is: last one only

r = sqrt [(rT,x - rN,x)^2 + (rT,y - rN,y)^2 + (rT,z - rN,z)^2]

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