1.

Two blocks of masses 10 kg and 20 kg are connected by a massless spring and are placed on a smooth horizontal surface. A force of 200 N is applied on 20 kg mass as shown in the diagram. At the instant, the acceleration of 10 kg mass is 12 ms^(-2), the acceleration of 20 kg mass is,

Answer»

`4 MS^(-2)`
`12 ms^(-2)`
`20 ms^(-2)`
`8 ms^(-2)`

Answer :A


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