A gardener is watering plants at the rate `0.litre//sec` using a pipe of cross-sectional area `1cm^(2)` What additional force he has to exert if he desires to increase the rate of watering two times ? .

A gardener is watering plants at the rate 0.1 litre/sec using a pipe of cross - section 1 cm^(2) . What additional force he has to exert if he desires to increase the rate of watering two times ?

A hose-pipe of cross-section area 2cm^(2) delivers 1500 litres of water in 5 minutes. What is the speed of water in m/s through the pipe?

Lasya is watering the plants in her graden with a pipe of area of cross- section 'A' and observed that the force of water from the pipe is 'F' .Find the change in area of caross section of the pipe to attain a pressure difference which is 1.5 times that of the intial.

Water is discharged from a pipe of cross-section area 3.2cm^(2) at the speed of 5m//s. Calculate the volume of water discharged: in cm^(3) per sec