Q)
(chatquestion)...13.
A block of mass 2kg, kept at origin is having
G velocity 4/6 m/s in positive x-direction. Its
potential energy is defined as U=(-x³ + 6x² + 15) J.
Its velocity when the applied force is zero (at a later
then x = 0) is :-
(1) 8m/s
(2) 4m/s
(3) 10/24 m/s
(4) None of these
...
