Blocks of masses 4kg and 6kg are attached to the two ends of a light string passing over a frictionless pulley. The system starts from rest.
a. (i) Calculate the magnitude of the common acceleration of the two blocks.
b. (ii) Determine the tension in the string.
c. (iii) Find the distance through which the heavier block descends in 3s.
d. (iv) Compute the total kinetic energy gained by the system in this interval.