Water Is Fired Horizontally Out of a 7-Cm Diameter Hose

Multiple Choice

Water is fired horizontally out of a 7-cm diameter hose directly onto a wall at a speed of 7m/s.Assuming that the water after impact falls straight down the wall,the average force on the wall is (density of water = 1000 kg/m³ )

A) 27 N
B) 190 N
C) 47 N
D) 60 N
E) 94 N