Figure shows three blocks A, B and C connected by a cable and system of pulleys. The blocks is pulled downward with a constant velocity of `7.5 cm//s`. At t = 0 , block, A starts moving downward from rest with a constant acceleration. It is given that the velocity of block A after travelling 20 cm is 30cm/s, find the change in position, velocity and the acceleration of block C at this instant.

Answer

`[40 cm, 45 cm//s, 2.25 cm//s^(2)]`