Water in a canal 30 dm wide and 12 dm deep is flowing with velocity of 10 km/hr. How much area will it irrigate in 30 minutes, if 8 cm of standing water is required for irrigation?
0.5*3*1.20*10000/.08 sq m=225000 sq m 22.5 hectare
Steve Urkel challenges a magician that he can better is the act of standing under water for 8 minutes by at least 2 minutes. The magician promised Steve that he will give him $1000 if he can do the same.
Steve won the challenge.
How?
