question_answer

Two masses of 10 kg and 20 kg respectively are connected by a massless spring. A force of 200 N is applied on the 20 kg mass as shown in the figure. At the instant shown, the 10 kg mass has acceleration \[12\text{m}\,{{\text{s}}^{-2}}\]. For 20 kg mass the acceleration is ___ \[\text{m}\,{{\text{s}}^{-2}}\].

Answer:

4.0