A hemispherical tank of radius 1(3/4) m is full of water. It is connected with a pipe,
which empties it at the rate of 7 litres per second. How much time will it take to empty
the tank completely? [26.73 minutes]
Answers
Answered by
2
Answer:
26.73 minutes
Step-by-step explanation:
radius = 7/4 m
volume of tank = 2/3 *pi*r^3 = 2/3 * 22/7 * 7/4 * 7/4 * 7/4 = 44*49/192
= 11*49/48 = 11.291167 cumic metre = 11229.167 litres
rate at which is being emptied = 7 litres/ s
time taken = 11229.167/7 = 1604 seconds = 26.73 minutes
Similar questions