Name: Rain Xia Student Number: 59118159
There is a fountain in UBC campus which has a 5 meters radius and 1 meter height. If water flows into the fountain at a rate of 5 meters^3 per minute, how fast is the depth of the water increasing?
Given: dv/dt=5
Want: dh/dt
V=πr^2h
dv/dt=π*5^2*dh/dt
5=π*25*dh/dt
dh/dt=1/(5π)
Therefore the speed of the water increasing is 1/(5π) meter per minute.