A Car Wash Nozzle Directs a Steady Stream of Water

question 25

Multiple Choice

A car wash nozzle directs a steady stream of water at 1.5 kg/s,with a speed of 20 m/s,against a car window.What force does the water exert on the glass? Assume the water does not splash back.

• A) 30 N
• B) 45 N
• C) 300 N
• D) 440 N

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Definitions:

Occlusion

In dentistry, it refers to the alignment of teeth and the way in which upper and lower teeth fit together. In medical terms, it often refers to the blockage or closure of a blood vessel.

Physically Impossible

A term describing an action or event that cannot occur within the laws of physics as we understand them.

Conservation of Quantity

A principle in physics stating that certain measurable properties, such as mass, energy, or charge, are preserved in an isolated system over time.

Visual Perspective

The point of view from which an observer sees a scene or object, influenced by their physical position and psychological state.