1.

The potential energy U [in J] of a particle is give (ax+by), where a and b are constants. The mass of the particle is 1kg and x- and y-are the co-ordinates of the particle in metre. The particle at t=0 is rest at (4a,2b).Then Find the co-ordinates of the particle at t=1 sec

Answer»

(3.5a,1.5b)
(3a,2b)
(3a,3b)
(3a,4b)

ANSWER :A


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