1B)
find dx/dt and dy/dt
A particle moves along the curve y=x2/2. Here x varies with time as x=t2/2.Where x and y are measured in metres and t in second. At t=2s the velocity of the particle is:
(a)2 i - 4 j b) 2i + 4 j c) 4i +2j d) 4i - 2j
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UP 0 DOWN 0 0 4
