In the following arrangement the system is initially at rest. The `5 kg` block is now released. Assuming the pulleys and string to be massless and smooth, the acceleration of blocks is:

Options

A. `a_A = g/7`
B. `a_B = 0 m//s^2`
C. `a_C = 5/7 m//s^2`
D. `2a_C=a_A`

Answer

A,B,C,D