1.

Two block-spring mass system are moving on smooth horizontal surface as shown in the figure as t=0. find out the minimum time t when the spring is maximum elongated l_(0) is the natural length of spring.

Answer»

Solution :`T=2pisqrt((4)/(9pi^(2)))=(2xx2)/(3)=(4)/(3)`
`t=(3T)/(4)=(3)/(4)xx((4)/(3))=1`


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