In the system shown in fig when both masses are moving with the same acceleration the extension in the spring, if its spring constant is 100 N//m is:

In the system shown in fig when both masses are moving with the same a

1.	In the system shown in fig when both masses are moving with the same acceleration the extension in the spring, if its spring constant is 100 N//m is:
Answer» 40 cm 50 cm 70 cm 62 cm Solution :`a=210/45` `T=kx=15xxa`