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

question 53

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

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Definitions:

William Wallace

A Scottish knight who became one of the main leaders during the First War of Scottish Independence against England in the late 13th and early 14th centuries.

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