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greenpeace16
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Homework Statement
A particle moves uniformly with speed v along the path y=kx^2 .Taking k as a positive constant, acceleration of the particle at x=0 is _________?
Homework Equations
options-a)2kv^2 b)kv^2 c)1/2(kv^2) d)2kv
The Attempt at a Solution
I did- y=kx^2
differentiating we get,
v= 2kx
again differentiating we get,
a=2k
so there'es an uniform acceleration of a=2k at all points.
but none of the options match!