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CBSE Class 11-science Answered

The position of a particle is given by r = 4ti +2t^2j)m. Its Y component of velocity at t =1s is
Asked by arushidabhade | 21 Jul, 2019, 07:58: PM
answered-by-expert Expert Answer
position vector,  r = ( 4t i + 2t2 j  ) m
 
velocity vector,  dr/dt = ( 4 i + 4t j ) m
 
y- component, vy = 4t ;   y-component at t =1 s  ,   vy = 4×1 = 4 m/s
Answered by Thiyagarajan K | 21 Jul, 2019, 09:23: PM
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