"Water flows   out through a circular pipe whose internal diameter is 2cm, at the rate of 6
Channel: Doubtnut
Date: 2020-07-05

"Water flows
 
  out through a circular pipe whose internal diameter is 2cm, at the rate of 6
 
  metres per second into a cylindrical tank. The water is collected in a
 
  cylindrical vessel radius of whose base is 60cm. Find the rise in the level
 
  of water in 30 minutes?"