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​the very first  question of mine has been answered wrong. Check it again. It's clearly written in book that whether the velocity is 2i+3j or 7i+3j+4K, both the velocities represent 1D motion
​the very first  question of mine has been answered wrong. Check it again. It's clearly written in book that whether the velocity is 2i+3j or 7i+3j+4K, both the velocities represent 1D motion iPad Moment of Inertia - I 5:37 PM meritnation.com Tests Analytics Engine My Questions A Sessions My Answers More Questions i have asked asked a Questions am following 4 41 minute go A particle has velocity Prove that the particle is under ID motion. . CERTIFIED ANSWER . Shetty Dr added an r. 4 houß. 20 ago by 100% blart Glass Hardik Gupta vering questions asked y helpful Vote you get ber students y helpful Vote you get ritnation Experts Last 30 9 1st I THINK IT IS NOT A ID MOTION gcoz IT IS HAVING THREE DIMENSIONS FOLLOWS THE PATH OF X AXIS,Y AXIS AND Z AXIS SO IT IS 5D asked a question asked a question asked 9 S' minutes ago Was this answer helpful? O 50% users found this answer helpful Helpful Votes By Members Explain the structure of PC15 a) at high temperature b) at low temperature asked a question asked S minutes Explain ' 3c-2e' bond in full detail taking the example Of Aluminium chloride, asked a question Subi«t; 10 18 Calculathe the lattice energy Of NaCl if A is 1.75 r' is 2.8 Anastrom

Dear Student 
   In this question the position of particle is 2i+3j+5k so it has co-ordinates that is 2 units along x axis, 3 units along y axis and 5 units along z axis. So this motion is 3D motion and if the particle would have the co ordinates 2i+3j it is a 2D motion 
as it has distance along x and y axis only.
Hope this information will clear your doubts about topic.

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     If the co-ordinates of an object is 2i+3j+5k than it means it has 3D motion becauseit has three coordinates if it has 2 cordinates it would have 2D motion. So as in this question it has 2 unit along x axis and 3 units along y axis and 5 units along z axis

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