Question 15
Mensuration of SolidsWater flows out of a pipe at a rate of 40π cm3 per second into an empty cylindrical container of base radius 4 cm. Find the height of water in the container after 4 seconds.
- A.10 cm
- B.14 cm
- C.16 cm
- D.20 cm
Show the answer and explanation
Answer: A (10 cm)
Explanation
Volume after 4 s = 160π cm³. π × 4² × h = 160π, so h = 10 cm.