On a religious day, 50 guys took a dip in a 40-meter-long, 20-meter-wide water tank. If a man's average water displacement is 4 m3, the rise in the water level in the tank will be:
A. 20 cm
B. 25 cm
C. 35 cm
D. 50 cm
Answer:B
On a religious day, 50 guys took a dip in a 40-meter-long, 20-meter-wide water tank. If a man's average water displacement is 4 m3, the rise in the water level in the tank will be:
A. 20 cm B. 25 cm C. 35 cm D. 50 cm
Explanation: 4 × 50 m3 = 200 m3 total amount of water displaced.Water level rise = 200/40 x 20 m 0.25 m = 25 cm.