1.

A system comprises of two small spheres with the same masses `m`. initially, the spring is non deformed. the spheres set in motion in a gravity space at the velocities as shown in the diagram. The maximum elastic potential energy stored in the system isA. `(mv_(0)^(2))/(2sqrt(2))`B. `mv_(0)^(2)`C. `(1)/(2)mv_(0)^(2)`D. `2mv_(0)^(2)`

Answer» Correct Answer - B
Both sphers will come at rest simuiltaneously because net momentum of system is zero And when they comes to rest their `KE` convets into clastic potential energy of spring
`U = 2 [(1)/(2) mv_(0)^(2)] = mv_(0)^(2)`


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