A Car Wash Nozzle Directs a Steady Stream of Water

question 78

Multiple Choice

A car wash nozzle directs a steady stream of water at 1.10 kg/s,with a speed of 30.0 m/s,against a car window.What force does the water exert on the glass? Assume the water does not splash back.

• A)27.3 N
• B)33.0 N
• C)31.1 N
• D)0.367 N
• E)1.10 N

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Definitions:

Top-down Processing

An approach to perception where prior knowledge, expectations, or experience drives the interpretation of sensory information.

Bottom-up Processing

A type of information processing that begins with sensory input and builds up to the formation of perception.

Ambiguous Figure

An image or drawing designed to offer more than one perceptual interpretation, often used in psychological tests to explore perception and cognitive processes.

Geons

Simple geometric figures, such as cubes, cylinders, and pyramids, that can be combined to create all other shapes. An early (and crucial) step in some models of object recognition is determining which geons are present.