Water flows through a circular pipe of cross section area 6.16squared centimetre at a uniform speed of 10centimetre per second. At 6.A. M,water starts flowing through the pipe into an empty rectangular tank of base area 3squared metres. (a) What is the depth of the water in the tank at 8.30a. M.? (b) If the tank is 1.2metres high and has a hole at the bottom through which water leaks at the rate of 11.6cubic centimetre per second, determine the time at which the tank will be filled.